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geology

September 24, 2020 by wpengine

CMP Travel Program and Section of Invertebrate Paleontology Promotes the 125th Anniversary of the Carnegie Library of Pittsburgh with an outdoor walking tour

Before Carnegie Museums of Pittsburgh (CMP) reopened to the public on June 28th, Barbara Tucker, Director of CMP’s Travel Program, talked with me about ways to reengage members and bring them back to the Oakland museums.

With knowledge about my research on the 125th Anniversary of the founding of the Carnegie Library, Barbara suggested a 90-minute outdoor walking tour around the exterior of the massive building.  Starting from where the oldest portion of the building (Portal Entry) meets the newest (Museum of Art) to the front of the historic library entrance, past the Diplodocus carnegii statue, to Forbes Avenue and the entrances of the music hall, natural history museum, and fine arts museum guarded by the statues of the noble quartet.

photo of people standing in a circle in a park
Fig. 1

The tour was advertised on the CMP website under the Travel Program link, https://carnegiemuseums.org/things-to-do/travel-with-us/ and https://carnegiemuseums.org/kollar/, and accurately described as an activity fully compliant with CDC protocols. Within a week, the tour received overwhelming signups, which were organized by date and number of participants by Travel Program assistant Isabel Romanowski. Three tour dates were set in August and several more in September. Special private tours for donors and others in the fall continue to be arranged.

Andrew Carnegie, Founder:

As guide for an exercise that involves close observation of architectural details, I face the challenge of getting participants to imagine this section of Pittsburgh long before any of the structures around in Oakland existed. The library and museums cover five acres of flat bottom land formed by the pre-Ice Age Monongahela River more than 1.2 million years ago. In far more recent times, the land was part of the Mary Schenley Mount Airy tract of 300 acres which was donated to the City of Pittsburgh in 1889 to create Schenley Park in her honor. Andrew Carnegie, (1835 – 1919) industrialist, steel magnate, and philanthropist, in 1895 saw the site as a place to build a complex with a library, fine arts gallery, science museum, and music hall that would represent the noble quartet of literature, art, science, and music.

The Library Tour Themes:

the word Carnegie in gray above the word Carnegie in red
Fig. 2

Tour groups assemble on the dark stone steps outside the Carnegie Museum of Art (CMOA) rear entrance for an introduction focusing on the two connected, but architecturally different buildings: the Beaux-Arts style Carnegie Complex, with the original structure dating to1895, and later addition to 1907, which was built by Longfellow, Alden, and Harlow using Carnegie Steel (Fig. 2), and the modern Carnegie Museum of Art, built by architect Edward Larrabee Barnes in 1974.

Two rock types distinguish the building exteriors. The older portions of the building are clad in a light grey, easily carved, 370 million-year-old Berea Sandstone from Amherst, Ohio, while the exterior and much of the interior of Museum of Art is covered in the 295 million-year-old bluish iridescence Larvikite igneous rock from Larvik, Norway. When Barnes was commissioned to build CMOA, he chose the dark rock to blend with the older building’s coal dust veneer, a grime coating that was removed when the exterior stone was cleaned in 1990.

Landscape Art and Geology:

image of the painting "Cathedral of Learning" by John Kane
Fig. 3

Pittsburgh’s landscape painter, John Kane’s (1860 – 1934), Cathedral of Learning, circa 1930 (Fig. 3), depicts the 150-foot-deep Junction Hollow with its operating railroad. The work also includes many important architectural references, the Schenley Park Bridge (1897), Carnegie Institute’s Bellefield Boiler Plant (designed by Alden and Harlow in 1907 to supply electricity and heat to adjacent buildings), the Carnegie Institute Extension (1907), and a then unfinished Cathedral of Learning. This painting is part of CMOA Fine Arts collections.

image of John Kane painting "Panther Hollow" above a photo of the same spot with geological images on top
Fig. 4

Another John Kane landscape, Panther Hollow, circa 1930 – 1934, (Fig. 4A) in combination with Cathedral of Learning has been used in teaching about the 300 million-year-old geology of Schenley Park (Fig. 4B2) and the pre-Pleistocene Monongahela River that formed the flat bottom landscape of Oakland, and through erosion, Junction Hollow (Fig. 4B1).  Kollar and Brezinski 2010, Geology, Landscape, and John Kane’s Landscape Paintings.

Junction Hollow Landscape:

Kane’s Cathedral of Learning (1930) is an idealized green space of Junction Hollow, the Wilmot Street Bridge in the foreground (1907) now replaced with the Charles Anderson Bridge (1940), and Carnegie Tech’s (now Carnegie Mellon University’s) Hamerschlag Hall or Machinery Hall (1912), built by Henry Hornbostel, a Pittsburgh architect. Hornbostel designed a circular Roman temple wrapped about a tall yellow brick smokestack (Fig. 4A). The design is based on the Roman temple of Vesta in Tivoli, Italy, dating to the early 1st century BC. Hornbostel’s overall campus design focused on connection between art and science, with Junction Hollow representing the geological sciences. The architect Philip Johnston, who built Pittsburgh’s postmodern PPG Place (circa 1984), once contrasted the Bellefield Boiler Plant smokestack as “the ugliest in the world to Machinery Hall’s smokestack as the most beautiful.” In novelist Michael Chabon’s debut novel, The Mysteries of Pittsburgh, (1988) the Bellefield Boiler Plant, termed “the cloud factory” by the narrator, is the setting for a pivotal scene.

Carnegie Library of Pittsburgh (Main):

black and white image of Carnegie Library of Pittsburgh
Fig. 5

The separate institutions we now know as Carnegie Museum of Natural History and Carnegie Museum of Art can track their origins to exhibits and galleries within space now fully occupied by Carnegie Library of Pittsburgh. An image of the Carnegie Library of Pittsburgh in 1902 from the Bellefield Bridge, a structure now buried under the Mary Schenley Memorial Fountain (1918), reveals eclecticism in architectural features (Fig. 5). The west facing frontage doorways and portico of the library features, CARNEGIE LIBRARY, FREE TO THE PEOPLE, and 24 carved writer names. Missing from the names is Carnegie’s favorite poet, Robert Burns, whose statue was dedicated in 1914 on the grounds of Phipps Conservancy. Three separate entrances are served by granite steps of Permian age from Vermont, one for the science museum, one for the Department of Fine Arts, and the third, with distinctive Romanesque round doorways, brass doors with intricate features, and keystone scrolling, for the Library. This entrance was designed by Harlow, who was the draftsman on the McKim, Mead, and White team responsible for the Beaux-Arts Boston Public Library (1895). When the Carnegie Institute Extension was constructed in 1907, the science museum and fine arts museum collections were moved into the new space. The former spaces in the library became the Children’s Room, Pennsylvania Room, and Music Library.

drawing of Carnegie Library of Pittsburgh
Fig. 6

Carnegie Music Hall
Fig. 7

A challenge at this point in the tour involves discussing features that are not visible up close. The Longfellow, Alden, and Harlow’s Italian Renaissance and Beaux-Arts H-shaped parallelogram winning design featured a copula (Fig. 6) on top of the red tile roof that was never built.  Eclecticism features include a double apse, a smaller shaped semi-circular extension of the library’s wall on the southside of the building, and larger apse on the north or Forbes Avenue side of the building, with the semicircular Music Hall auditorium, designed by Longfellow. The music hall exterior was structurally changed by the 1907 construction (Fig. 7).

The exterior Berea Sandstone reveals rustication masonry techniques with the cut blocks on the exterior first floor level distinguished by ashlar pillow horizontal border stone, and smooth masonry from the second floor to the cornice below the roof line.  The second floor late Gothic style windows are divided by a vertical element called a mullion that helps with rigid support of the window arch and divides the window panels. Two symmetrical Campanile towers that Carnegie called “those donkey ears” were modeled after the San Marco Bell Tower in Venice, Italy. The towers served as an architectural offset to the semicircular exterior walls of the music auditorium and were removed in 1902 for the construction of the Carnegie Institute Extension. The installation of the towers can be interpreted as a tribute to Henry Hobson Richardson’s Allegheny County Courthouse twin towers (1888).

Architects choice of light grey sandstone and red tile roof:

The library’s red tile roof incorporated multiple glass roofs over the library, fine arts galleries, and science museum (all shaded from exterior sunlight today) which typified the Beau-Arts style. Keep in mind, the library did not have electric light. Light was provided by gas lighting and natural sunlight.  Longfellow, Alden, and Harlow wrote that “the choice of a red tile roof and grey Ohio (Berea) Sandstone was intentional to contrast with Pittsburgh’s grey skies and the changing seasonal colors of the foliage in Schenley Park.”

The Beaux-Arts Architecture of the Carnegie Institute Extension 1907:

photo of Carnegie Institute extension
Fig. 8

sign that reads Historic Landmark Carnegie Library of Pittsburgh Carnegie Music Hall Carnegie Museum of Natural History Carnegie Museum of Art Built 1895 and 1907 Longellow, Alden & Harlow, Architects Listed in the National Register of Historic Places Department of the Interior, United States of America Pittsburgh History & Landmarks Foundation
Fig. 9

After Longfellow returned to his Boston practice in 1896, Alden and Harlow received the commission to build the Carnegie Institute Extension (1907) (Fig. 8). Their efforts created one of the great Beaux-Arts building in the United States. As Cynthia Field, Smithsonian Architecture Historian, stated in 1985, “the building itself is the greatest object of the entire museum collection.” Formal recognition of the building’s architectural importance exists in two historic landmark plagues placed outside of the Carnegie Library entrance and the Museums’ Carriage Drive entrance (Fig. 9).

New exterior features of the 1907 extension work included the replacement of the red tile roof with copper, the addition of an armillary sphere,  the construction, with a colonnade of solid Corinthian fluted columns of Berea Sandstone, four portico porches over the main entrances to the library, music hall, natural history and art museum, and eastside of building (now removed), and the creation, along Forbes Avenue, of a main Carriage Drive entrance with direct access to the galleries. The carved names of authors, artists, musicians, and scientists in the buildings’ entablature, a Victorian era practice, extends around the building from the library’s southeast corner to the music hall entrance, and natural history and the fine arts entrances.

Also notable along Forbes Avenue are John Massey Rhind’s noble quartet statues that guard the Music Hall and Natural History and Art entrances. The four male figures all seated in classic Greek chairs are Michelangelo (art), Shakespeare (literature), Bach (music), and Galileo (science).  Standing three stories above the quartet on the edge of the roof, four groups of female allegorical figures represent literature, music, art, and science as well. The bronze figures were casted in Naples, Italy in 1907 (Fig 8).

Inside the 1907 Architecture and Building Stones:

The architects created 13 new interior spaces where three grand spaces stand out for specific architecture styles such as, the Beaux-Arts Grand Staircase (voted in 2018 as the 8th best museum staircase in the world), the Neoclassical Hall of Sculpture, and neo-Baroque Music Hall Foyer. The extension used 32 varieties of marbles and fossil limestones, many from antiquity, quarried and imported from Algeria, Croatia, France, Greece, Ireland, Italy, and the United States.

Since 2004, the collaboration between the CMP Travel Program and the Section of Invertebrate Paleontology has been highly successful reaching out to our members and patrons. This summer’s tours generated some particularly appreciative comments:

The Carnegie’s resident scientists are a defining characteristic of this noble institution. Might be an anachronism in an era when museums are focused on providing ‘destination’ entertainment and hosting special events for swells, but while treasures like Dr. Kollar are still on staff, it’s a splendid idea to facilitate interaction between them and museum visitors. Congratulations on a most enjoyable program. -Ron Sommer

Albert was very informative and interesting. I found it most valuable learning the history of the area. -Janet Seifert

I can’t stress enough how unusual and interesting it was to have a geologist give us the tour. It had never occurred to me before that there’s so much one can learn about building materials from a geologist. -Neepa Majumdar

Albert D. Kollar is Collection Manager and Carnegie’s Historian of the Carnegie’s Building Stones. Barbara Tucker is Director of Carnegie Travel Program.

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Filed Under: Blog Tagged With: Albert Kollar, geology, invertebrate paleontology, Science News

October 15, 2019 by wpengine

Carnegie Geologists Win National Award

John Harper and Albert D. Kollar.

In the fall of 2018, Albert D. Kollar and John A. Harper (volunteer and research associate) of the Section of Invertebrate Paleontology in collaboration with the Pittsburgh Geological Society conducted a geology field trip titled: Geology of the Early Iron Industry in Fayette County, Pennsylvania. Back then, we had no idea this field guide would be recognized by the Geoscience Information Society with their GSIS Award 2019 for Best Guidebook (professional) at the Annual Meeting of the Geological Society of America (GSA). On September 23, 2019, Albert attended the Awards Luncheon in Phoenix, Arizona, to receive the GSIS Award.

Albert D. Kollar and Michael Noga representing Geoscience Information Society.

As stated by the GSIS committee chair, “The Geology of the Early Iron Industry in Fayette County, Pennsylvania is well-written and well-illustrated, with both professional and popular sections. I can see local geology teachers taking students on these trips to show a chapter in the development of an important early ore industry in the United States. With the aid of detailed road logs guidebook users can see and learn about the geology, industrial development, history, and fossils in Fayette County. Field Trip leaders can use the guidebook to expand on several topics, depending on the interests of their trip attendees. An additional benefit of the guidebook is its free availability online, so any traveler with an interest in the area can explore on their own. The Pittsburgh Geological Society has performed a great model for other local societies that are interested in spreading the benefits of their field trips to wider audiences.”

In receiving the award, Kollar opined that the guidebook has been recognized for the diverse geology of the region and the many historical sites that can be seen and visited respectively throughout southwestern Pennsylvania. These include, the geology of Chestnut Ridge, a Mississippian-age limestone quarry with abundant fossils and Laurel Caverns, the history of oil and gas exploration, the historic Wharton Charcoal Blast Furnace, the geology of natural gas storage, the country’s First Puddling Iron Furnace, and the birth place of both coke magnate Henry Clay Frick and Old Overholt Straight Rye Whiskey, West Overton, Westmoreland County, Pennsylvania.

Another feature of the guidebook is its dedication to Dr. Norman L. Samways, retired metallurgist, geology enthusiast, and good friend who spent many years as a volunteer with the Invertebrate Paleontology Section of the Carnegie Museum of Natural History.  Sam, as we called him, passed away in February 2018.  His contribution came about when he was instrumental in the research and writing of the Geology and History of Ironmaking in Western Pennsylvania, with his co-authors John A. Harper, Albert D. Kollar, and David J. Vater, published as PAlS Publication 16, 2014. Moreover, Sam was solely responsible for a new historical marker, AMERICA’S FIRST PUDDLING FURANCE along PA 51, dedicated on September 10, 2017 by the Pennsylvania Historical & Museum Commission and the Fayette County Historical Society. David Vater contributed to the guidebook’s content by drawing a schematic diagram of a typical puddling iron furnace, which is greatly appreciated. Key fossils and iron ores of the section’s collection are referenced as well. The cataloged fossils cited in peer review journals authored by section staff and research associates includes those on the trilobites by Brezinski (1984, 2008, and 2009), Bensen (1934) and Carter, Kollar and Brezinski (2008) for brachiopods, and Rollins and Brezinski (1988) for crinoid-platyceratid (snail) co-evolution.

In recent years, the section has run highly successful regional field trips about various geology and paleontology topics based on the museum collections, collaborations with the Pittsburgh Geology Society, the Geological Society of America, Osher Institute of the University of Pittsburgh, Nine-Mile Run Watershed, Allegheny County Parks, Pittsburgh Parks Conservancy, Montour Trail, Carnegie Discovers, and the section’s own PAlS geology and fossil program. A future field trip is being planned to assess the dimension stones that built the Carnegie Museum and noted architectural building stones of Oakland.

Albert D. Kollar is the Collection Manager in the Section of Invertebrate Paleontology at Carnegie Museum of Natural History. Museum employees are encouraged to blog about their unique experiences and knowledge gained from working at the museum.

Filed Under: Blog Tagged With: Albert Kollar, Anthropocene, fossils, geology, invertebrate paleontology, western pennsylvania

July 10, 2019 by wpengine

Citizen Science, The Last Ice Age in Western Pennsylvania and Carnegie Museum of Natural History Exhibits

Recent education initiatives in the Section of Invertebrate Paleontology encourage citizen science collaborations among professional geological societies to elevate the value of fossil collections, research and museum exhibits of the Carnegie Museum of Natural History. For example, this April, 20 members of the North Alleghenies Geological Society were introduced to exceptional Pennsylvanian age fossils on display in Benedum Hall of Geology, i.e., the giant Eurypterid trackway (discovered in Elk County, PA) and the amphibian fossil skull Fedexia (discovered in Moon Twp., near the Pittsburgh International Airport), and the Jurassic age Lyme Regis of England, Holzmaden and Solnhofen fossils of Germany in Dinosaurs in Their Time. And yes, we did view the Carnegie dinosaurs from the Morrison Formation of Sheep Creek, Wyoming and Dinosaur National Monument, Jensen, Utah. The group was amazed with the behind-the-scenes in fossil invertebrates. This month, another citizen science field trip event took place to Slippery Rock Gorge and Moraine State Park in Butler and Lawrence Counties for 40 members of the Pennsylvania Council of Professional Geologists (PCPG). The title of the field trip: The Last Ice Age in Western Pennsylvania: A Changing Climate as Seen in the Glacial Landscape co-led by Albert D. Kollar of the Carnegie Museum of Natural History and Dan A. Billman (Billman Geologic Consultants, Inc). Dan and his wife Pam (both geologists) are longtime supporters of the section and museum. They are members of the section’s PAlS (Patrons and lauradanae Supporters). Dan co-authored the 2011 PAlS Publication 11, Geology of the Marcellus Shale and has provided drill cuttings of the 390 million-year-old Marcellus Shale for the section’s Geology and Energy workshops. Dan served as president of PCPG in 2017 and 2018 and asked if I would be interested to co-lead a glacial geology field trip for PCPG in June of 2019.

The 23,000 year old Jacksville Esker in Butler County, PA. The esker is the ridge between the shrubs and base of the tree line.

So why propose a field trip to the region known with the best-preserved landscapes of the Last Ice Age in western Pennsylvania? In Dan’s opinion, many of the PCPG members are certainly aware of the current discussion on human induced climate change but may be less familiar with the climate change and landscapes that occurred and formed respectively just 23,000 years ago. For instance, a summary of the professional affiliations of the 40 participants on the field trip confirms a division of sorts in disciplines. The dominant groups in attendance are made up of sixteen environmental geologists, followed by nine oil and gas geologists, four with PA DEP, four earth resource scientists, four geologic consultants, two academic professors, and one part-time school teacher – who asked to volunteer in the section – a new citizen scientist for the section.

To plan the field trip, we reviewed past geologic field trip guides and publications on the subject and visited the sites several times over the last six months. We also looked at key exhibits in the Carnegie Museum that mimic many of the glacial and climate change features that we would see on the field trip. These include the bedrock geology of western Pennsylvania i.e., coal, sandstone, limestone and shale that represent depositional cycles associated with the Milankovitch cyclothems and Earth’s precession. These are related to some 120 glaciation events in the rock record that occurred over Permo-Carboniferous time (Pennsylvanian Period) 319 MA to Early Permian 270 MA. In the museum dioramas: A replica coal forest and coeval marine seaway can be seen in Benedum Hall of Geology. In Botany Hall, the Northern Pennsylvania Bog is an example of a glacial tundra bog like the West Liberty Bog – a paleoclimate indicator. And the Muskox exhibit of the Arctic tundra biome is representative of the Alpine permafrost periglacial environment in the Appalachian ridges, which formed “rock city”. The Last Glacial Maximum, a +/-23,000-year-old Kent glacial terminal moraine, Jacksville Esker, and the scenic gorge at Cleland Rock were the highlights of the trip.

Blog post by Albert D. Kollar, collection manager in the Section of Invertebrate Paleontology at Carnegie Museum of Natural History, and Dan A. Billman of Billman Geologic Consultants, Inc.

Filed Under: Blog Tagged With: Albert Kollar, Benedum Hall of Geology, geology, invertebrate paleontology, western pennsylvania

April 1, 2019 by wpengine

Bayet’s Bounty: The Invertebrates That Time Forgot

book about the baron de bayet collection
interior of book about baron de bayet collection

Albert Kollar, Collections Manager for the Carnegie Museum of Natural History Section of Invertebrate Paleontology, is on a mission to re-examine the Bayet Collection, a collection of 130,000 invertebrate and vertebrate fossils brought to the Carnegie more than 100 years ago.  Albert is re-examining the invertebrate portion of the Bayet (pronounced “Bye-aye”), which as it turns out, is 99.9% of the collection.

The story starts with a last-minute trip that began on July 8, 1903 by Carnegie Director William Holland, who had received word of a world-class fossil collection that had been put up for sale in Europe by the Baron de Bayet, secretary to the cabinet of Leopold II of Belgium.  Holland immediately booked passage to Europe on the steamer “New York” to complete the deal.  At stake were 130,000 invertebrates, combined with a small number of vertebrate fossils (several on display in the Dinosaurs in Their Time exhibition), sought by museums throughout Europe, Great Britain and the United States.  This collection became the largest addition to the department of paleontology at the Carnegie Institute, since the discovery of the dinosaur Diplodocus carnegii, at Sheep Creek, Wyoming in 1899.

Mr. Carnegie personally wrote a check for $25,000 for the project, a sum so large it exceeded the entire 1903 budget for all art and natural history acquisitions combined. Eventually, Mr. Holland negotiated a price of just under $21,000 with the Baron de Bayet for the entire collection. Another $2,300 was spent to pack, insure and transport everything back to Pittsburgh.  Twenty men and women worked for three weeks to meticulously wrap each fossil in cotton, batting, or straw and by September 1903, two hundred and fifty-nine crates arrived safely in Pittsburgh.  Storage of the crates was an issue, since the Carnegie Museum building would not be completed until 1907; so Mr. Holland rented space in a warehouse on 3rd Street in Pittsburgh for storage of 210 of the 259 crates.

This decision, however, almost destroyed the collection when a fire broke out on the upper floors of the 3rd Street warehouse.  On December 30, 1903, Mr. Holland wrote, “Yesterday brought with it a fire in which it appeared as if the Bayet collection, the acquisition of which we had so prided ourselves, was destined to go up in smoke.”  Fortunately, the Pittsburgh Fire Department contained the fire to the upper floors and the Bayet collection, stored on the lower floor, and meticulously wrapped and crated, survived with minimal damage. The crates returned to the Carnegie Institute to dry out.

In early 1904, William Holland hired Dr. Percy Raymond, a graduate of Yale University, to be the first curator of Invertebrate Paleontology.  His primary directive was to catalog and organize the Invertebrate portion of the Bayet collection. Today, over 100 years later, Albert Kollar with the help of Pitt Geology student E. Kevin Love, is undertaking a multi-year project to translate Percy Raymond’s beautifully hand-written catalogs and to migrate all 130,000 specimens into a new database.

Pictured below is (BH1) the very first Bayet specimen cataloged by Percy Raymond.  BH1 is an exquisite 510-million-year-old, CM 1828 Paradoxides spinosus, a 17.17 cm or 7” long trilobite from Skreje, Bohemia – or the Czech Republic of today.

trilobite fossil

Albert’s goal in revisiting the Bayet collection is to better understand the great history of the how, why and where of fossils collected in the late 19th century, especially in Europe the birthplace of paleontology and geology.  “This project will give us insight into why certain Bayet fossils were recovered from classic European fossil localities, many of which are designated stratotype (significant geologic time reference) regions.  These fossils and localities have been used to document the validity of evolution, extinction, and the Geologic Time Scale over the last 100 years.  With an improved database, we hope to better appreciate the scientific value of the entire collection and create new statistical measures for future research and education.”

When asked if he expected any surprises as we go forward, Albert smiled, “Not until all the data has been analyzed will we have an opportunity to review the collection’s full scientific worth.”

Check back in a few months, Bayet’s invertebrates may have a few secrets yet to share.

Many thanks to Carnegie Museum Library Manager, Xianghua Sun for help researching this post.

Joann Wilson is an Interpreter in the Education department at Carnegie Museum of Natural History. Museum employees are encouraged to blog about their unique experiences and knowledge gained from working at the museum.

Filed Under: Blog Tagged With: Albert Kollar, Andrew Carnegie, fossils, geology, invertebrate paleontology, paleontology, Pittsburgh, SWK2, Trilobite, William Holland

August 27, 2018 by wpengine

The Volunteers: Can’t Live Without Them

By Albert Kollar

What makes an ideal volunteer at the Carnegie Museum of Natural History? Maybe the question should be how does one find a volunteer? For the Section of Invertebrate Paleontology, it was with luck and timing.  In 2002, I met Sam in Benedum Hall of Geology, who recently retired and was looking to learn about Pittsburgh geology and fossils. Sam with a Ph.D. in metallurgy had minored in geology in college in London. To train a volunteer without a background in fossils requires time and patience. With Sam it was easy, as he already was familiar with the scientific method. More luck and timing followed when two retired engineers Earl and Rich joined us. Our quartet was complete when Vicky arrived soon after.  By then, we recognized what type of volunteer will work for us going forward.

When the section formed the PAlS Program in 2004 we gained many more volunteers over the years.  PAlS (Patrons and lauradanae Supporters) is a section geology program that offered lectures on western Pennsylvania geology, fossil field trips, and in lab fossil workshops to the membership. We soon discovered that many PAlS members wanted to help in ways outside the museum.  We refer to these volunteers as the section’s ambassadors because they invest their time into promoting what the section and museum can offer to the region.  Some volunteers helped with financial support and collaborative projects with the Pittsburgh Geological Society, the Montour Trail Council, and the Allegheny County Parks – North Park.

volunteers

From 2002 to 2018 the thirty-three volunteers contributed much to the section and museum.  First and foremost is their dedication to assisting with the curation of the section’s fossil groups. These include fossil corals, bryozoans, brachiopods, mollusks, ammonites, echinoderms, and gastropods. Some volunteers published peer reviewed papers based on the section’s fossils. Other worked with the section staff to publish 21 PAlS Geology Guides.  The former section curator John L. Carter and his wife Ruth provided financial support for field work and to publish the PAlS Guide No. 8, Geology and Fossils of the Tri-State Region Coloring Book Guide for school groups.

The professional backgrounds of the volunteers create knowledge that the section can use in its mission. For instance, the twenty-seven adults’ working careers varied from paleontologists and geologists, to medical doctors and a dentist, earth science teachers, teachers, museum docents, architecture historian, an author, an accountant, and a pharmacist assistant. Several of our volunteers were former graduate students with me (Dave, John, Henry and Roman) in the Department of Geology of the University of Pittsburgh. We are often referred to as Bud’s Men, in honor of the late Professor of Paleontology H.B. Rollins who was a volunteer as well.

We have had four college age volunteers who majored in geology. I am happy to report they found employment in the sciences or their chosen fields. Two high school volunteers who received their early start in fossils are doing very well. One is employed as a consultant in the health industry. The other is attending undergraduate college in Massachusetts. During the summer, she is a part-time research assistant in the section helping with our research projects.

As a final tribute here is the list of names: Bob, Bud (deceased), Chrissy, Dakota, Dan, Dave and Lauradanae, Earl, Ed, John, John and Ruth (both deceased), Harlan, Henry, Irina, J.J., Karen, Kay, Kendall, Laurie, Matt, Pam, Peter, Ray, Rich, Roman, Sam (deceased), Tamara, Tara, Thad, Valerie, Vicky, and Will. Thank you volunteers. Albert D. Kollar Section of Invertebrate Paleontology.

Albert D. Kollar is the Collection Manager in the Section of Invertebrate Paleontology at Carnegie Museum of Natural History. Museum employees are encouraged to blog about their unique experiences and knowledge gained from working at the museum.

Filed Under: Blog Tagged With: fossils, geology, invertebrate paleontology, volunteers

August 20, 2018 by wpengine

Millions, Billions, and Trillions

By Chase D. Mendenhall

diagram of geologic time

President Trump has 53,800,000 followers on Twitter. The popular song Despacito has 5,400,000,000 views on YouTube. And, the computer giant, Apple, is worth nearly $1,000,000,000,000.

Millions, billions, and trillions are numbers we hear and see regularly nowadays, but the value of these giant numbers can get lost in all the zeros.

Comprehending these values is key to understanding natural history, but there are a couple tricks to put things into perspective.

For example, the earliest undisputed evidence of life, fossilized bits of Archean bacteria, are about 3.5-billion years old. To wrap your brain around this giant number, it is helpful to convert these large numbers into a human experience, say, an average human lifespan in the USA. Today, people can expect to live to be about 78-years old, or about 2.5 billion seconds. In other words, if you wanted to live for 3.5 billion seconds, you would be 110 years.

When biologists like me throw around numbers, like, “for 150 million years birds have been flying,” it is helpful to think of 150 million seconds as almost 5 years.

Chase Mendenhall is Assistant Curator of Birds, Ecology, and Conservation at Carnegie Museum of Natural History. Museum employees are encouraged to blog about their unique experiences and knowledge gained from working at the museum.

Filed Under: Blog Tagged With: Anthropocene, geology, paleontology

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