PGS Meeting Schedules 1999–2023

 

1999

2000

2001

2002

2003

2004

2005

2006

2007

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

2018

2019

2020

2021

2022

2023

 

 

 

 

 

 

 

 

 

 

 

 

Click here for a list of Philadelphia Geological Society speakers going back to 1969!

 

Unless noted otherwise, most of these talks were given at Bryn Mawr College.

 

 

PGS Speakers—1999

January 28, 1999

Dr. Ted Daeschler, Academy of Natural Sciences

Fish With Fingers and Other Fascinating Fossils:  New Finds in an Old Terrain, the Late Devonian Catskill Formation

February 18, 1999

Dr. Stuart Rojstaczer, Duke University

Truly Useful Prediction of Subsurface Contaminant Transport:  Can We Ever Have Enough Data? 1999 Geological Society of America Birdsall-Dreiss Lecturer, Bryn Mawr College

web site

March 18, 1999

Mr. Ron Sloto, U.S. Geological Survey

Radionuclides in Ground Water in Southeastern Pennsylvania:  Results of Recent Research [Villanova University]

April 22, 1999

Ms. Jean Kozul, National Institute for Environmental Renewal

Watershed Characterization of the Wissahickon Creek:  Results of a Study of the Geomorphology, Water Quality, and Chemistry [Villanova University]

May 20, 1999

Dr. Robert Giegengack, University of Pennsylvania

Long-Term Climate Change and Contemporary Global Warming [Villanova University]

June 5, 1999

Dr. Maria Crawford, Bryn Mawr College

Field Trip: Geology of the Blue Route

September 30, 1999

Mr. Derrick Pitts, Chief Astronomer, Franklin Institute

Chasing Eclipses and Other Adventures of an Astronomer/Geologist [Ludington Library, Bryn Mawr]

web site

October 21, 1999

Dr. Gene Ulmer, Temple University

Pu'u O'o:  A Hawaiian Window to the Mantle [Villanova University]

November 18, 1999

Mr. William Sevon, Pennsylvania Geological Survey

The Landform Map of Pennsylvania

 

 

PGS Speakers—2000

February 17, 2000.

Ms. Janet Bowers, Chester County Water Resources Authority

Watersheds of Chester County—What's Really Going On

March 23, 2000

Mr. Richard Lee, Quantum Geophysics, Inc.

Geophysical Techniques in Fractured Rock Terrain

May 18, 2000

Mr. Glen Penfield, Carson Aerogravity, Inc.

Petroleum Exploration Around the World Using Aerial Geophysics

June 17, 2000

Dr. Gale Blackmer, Pennsylvania Geological Survey

Field Trip: Reinterpreta­tion of Geologic Structures in the Doe Run Area, Chester County

September 21, 2000

Mr. Derrick Pitts, Chief Astronomer, Franklin Institute

Mars: (Ex-)Water World?

web site

October 19, 2000

Dr. Karl Muessig, New Jersey State Geologist

Programs of the New Jersey Geological Survey

December 14, 2000

Dr. Frank Pazzaglia, Lehigh University

Evolution of Appalachian Topography:  Insights from Recent Geomorphic Studies

web site

 

 

PGS Speakers—2001

Jan

18

Dr. Kurt Friehauf

Kutztown University

The Treasure in the Clouds: Geology of the World's Largest Gold Mine, New Guinea

abstract

web site

Feb

15

Dr. Ramesh Venkatakrishnan
Golder Associates, Inc.

Geology and Structural Evolution of a Triassic Basin

Mar

15

Mr. Florin Gheorghiu, P.G.
Golder Associates, Inc.

Enhanced Groundwater Control System--Design and Field Testing

Apr

19

no meeting

May

17

Ms. Patricia Kane-Vanni

University of Pennsylvania, Dodson Laboratories/Vertebrate Paleontology

Dinosaur Discoveries from Montana (and Egypt, too!)

Jun

23

Dr. Kurt Friehauf

Kutztown University

Field Trip: Two Types of Historic Iron Deposits in Eastern Pennsylvania

Sep

20

Dr. Rudy Slingerland
Pennsylvania State University

How Erosion Builds Mountain Belts

abstract

Oct

18

Dr. Paul Olsen

Columbia University

In With a Bang?  Mass Extinction at the Triassic-Jurassic Boundary and the Ascent of the Dinosaurs

web site

C.V.

Nov

15

Dr. Jim Kasting

Pennsylvania State University

The Rise of Atmospheric Oxygen

web site

 

 

PGS Speakers—2002

Jan

31

Dr. Jay Parrish

Pennsylvania Geologic Survey

Current Programs of the Pennsylvania Geological Survey

Feb

21

Dr. Frank E. Fish

West Chester University

Testing the Waters: Biomechanics and the Evolution of Whales

website

Mar

21

Dr. James Pizzuto

University of Delaware

The Effects of Dam Removal on River Form and Process

website

Apr

18

Dr. Edward Beutner

Franklin & Marshall College

The Heart Mountain Fault Problem Resolved?

website

May

16

Dr. Maria Luisa Crawford

Bryn Mawr College

Digital Geologic Mapping: A Demonstration of CARIS

website

Jun

15

Field Trip: The Hydrogeology of Two Public Water Supplies: Bubbling Springs and Upper Merion Reservoir

Sep

19

Dave Wilcots

Powell-Harpstead, Inc.

North American Miocene Rhinoceroses

Oct

17

Dr. Howell Bosbyshell, West Chester University

Polyphase Tectonics in the Central Appalachian Piedmont

Nov

14

Dr. Perry Rahn, South Dakota School of Mines & Technology

Transmissivity Anisotropy

abstract

Dec

19

no meeting

 

 

PGS Speakers—2003

Jan

23

Matthew Lamanna, University of Pennsylvania

How to Turn Dinosaurs Into Crocodiles

website

abstract

Feb

13

Kevin Krajick

Secrets of the Diamond Hunters

website

abstract

At the Schuykill Center for Environmental Education (see map), 7:30 pm.

Mar

20

Dr. John F. Wehmiller, University of Delaware

The Atlantic Coastal Plain Quaternary Record—Geochronology and Sea Level History

Apr

17

Eric P. Grindrod, P.G.

Down the Well with a Camera

May

15

Mr. Jeri L. Jones, Jones Geological Services and York County Parks

Gold In Southeastern Pennsylvania

May

31

Dr. Hal Bosbyshell, West Chester University

Field Trip: Geology of the Media Quadrangle

Meet at the Colonial Plantation, Ridley Creek State Park (near the Route 3 entrance) at 9:00 am. Bring a lunch; refreshments will be provided. Till 4:00 pm.

Sep

18

Dr. Kenneth J. Lacovara, Drexel University

Titans, Tides, and Trees—
The M­angrove Coast of the Tethys Seaway During the Late Cretaceous: Examples from the Egyptian Sahara

Oct

23

Steve Jarvela, EPA

The Vapor Plume at the Tranguch Gasoline Site: A Case Study from Hazleton

Nov

20

Mr. Walter Leis, Tetrahedron Consultants

Tree Rings as Environmental Indicators: Dendrochronology in Geoforensics

Dec

17

Dr. Edwin J. Anderson, Temple University

Orbital Forcing and the Cyclic Structure of the Dorset Purbeck:  from PACs to Paleosols

 

PGS Speakers—2004

Jan

22

Mr. Val F. Britton, P.G.

Groundwater on the Move: Animated Modeling of Plumes and Remediation

Feb

19

Dr. Lynn Marquez, Millersville University

Temporal Variability of Seafloor Hydrothermal Systems: Evidence from the Troodos Ophiolite, Cyprus

Mar

18

Ms. Helen Delano, P.G., Pennsylvania Topographic and Geologic Survey

Cold Mountain—Tundra at King's Gap: Evidence for Late Pleistocene Tundra Conditions in South-central Pennsylvania

abstract

Apr

15

Dr. David Trilling, University of Pennsylvania

Planetary Geology: Mars and Beyond

web site

May

20

Dr. Ted Daeschler, Academy of Natural Sciences

Late Devonian Freshwater Biota: Explorations in Pennsylvania and the Canadian Arctic

Jun

5

Dr. Bob Ganis, Tethys Consultants

Field Trip: The Martinsburg Foreland/Hamburg Klippe: Structure and Biostratigraphy (Chambers Hill to Swatara Gap, Dauphin County)

web site

Sep

16

Cancelled

Oct

21

Bill Peterson, URS Corporation

Building on Sinkholes—Foundation Designs
and Sinkhole Remediation Measures for Highway Projects in Pennsylvania

Nov

17

Dr. Fred Scatena, University of Pennsylvania

Geomorphology and Disturbance Ecology of the Luquillo Mountains in Puerto Rico

Dec

16

Dr. Robert Ganis, Tethys Consultants

Stratigraphy and Assembly of the Martinsburg/Hamburg Foreland Segment

 

PGS Speakers—2005

Jan

20

Dr. Charles Scharnberger, Millersville University

Monitoring the Earthquake Hazards in the Eastern U.S.

Feb

17

Mr. Brent J. Basom, P.E. and Mr. Daniel S. Ramer, P.E., GTS Technologies

Geotechnical Challenges of the Lewistown Narrows Reconstruction

Mar

17

Dr. Kevin Furlong, Pennsylvania State University

2nd Generation Plate Tectonics—Giant Earthquakes, Torn Plates, and Evolving Plate Boundaries

web site

Apr

21

Dr. Lucian Platt, Bryn Mawr College

Volume Dissolution of Rocks

May

19

Rodger T. Faill, Pennsylvania Geologic Survey

Opening the Atlantic Ocean: The Birdsboro Basin

Jun

11

Bill Kochanov, Pennsylvania Geological Survey

Field Trip: The Carbonates of the Great Valley, Chester County

Sep

29

Dr. Duane Braun, Bloomsburg University

Glaciation of Northeastern Pennsylvania

Oct

20

Dr. David (Duff) Gold, Pennsylvania State University

Skytop or Rock-Bottom: A Case for Detailed Geological Input in Large Construction Projects

Nov

17

Dr. Jane Hammarstrom, U.S. Geological Survey, Reston

Acid Rock and Heavy Metals: Music for Mineralogists

Dec

15

Cancelled

 

PGS Speakers—2006

Jan

19

Mr. Derrick Pitts, Franklin Institute Science Museum

From Asteroids to Planet X: What's New in and Outside the Solar System

Feb

16

Dr. Dorothy Merritts and Dr. Robert Walter, Franklin & Marshall College

Down by the Old Mill Stream: Mud, Mud, Glorious Mud

Mar

16

Dr. Joseph Wartman, P.E., Drexel University

New Orleans, Drowned

Apr

20

Ms. Andrea Hawkes, University of Pennsylvania

Indian Ocean Tsunami Deposits

May

18

Dr. Kenneth Miller, Rutgers, The State University of New Jersey

Global Sea-Level Change Through Geologic Time

Jun

17

Field Trip: Dr. Earl R. Verbeek, Sterling Hill Mining Museum, New Jersey

Fluorescent Minerals of Sterling Hill

web site

Sep

21

An open session for members

Oct

24

Dr. Gerta Keller, Princeton University

The Chicxulub Debate

Phila.

Inquirer

Nov

16

Ms. Toni Markowski, Pennsylvania Geologic Survey
—CANCELLED—

Energy Prices Got You Down? Coalbed Methane Can Help!

Dec

21

Dr. Alexander Gates, Rutgers, The State University of New Jersey

Crash and Release: Collisional and Escape Tectonics in the Western Hudson Highlands, NY

 

PGS Speakers—2007

Jan

18

Patricia Kane-Vanni, Esq.

Egyptian Culture: From the Dinosaurs to Tut

Feb

15

CANCELLED—

Mar

15

Dr. Nadine McQuarrie, Princeton University

Are Precipitation and Deformation Linked in the Bolivian Andes?

Apr

19

Ms. Toni Markowski, Pennsylvania Geologic Survey

Energy Prices Got You Down? Coalbed Methane Can Help!

May

17

Dr. Hermann Pfefferkorn, University of Pennsylvania

The Pennsylvania Jungle, 300 Million Years Ago

Jun

10

Mr. Herb Beller, Pennsylvania Geologic Survey Volunteer

Diabase Day: Unique Outcrops in Bucks County

Sep

20

­­—NO MEETING—

Oct

25

Dr. Benjamin P. Horton, University of Pennsylvania

Holocene Sea Levels, Driving Mechanisms, and Coastal Responses

Nov

15

Dr. Jeffrey Featherstone, Temple University Center for Sustainable Communities

What’s in Your Watershed? Floodplain Mapping in Urban Areas

Dec

20

Dr. Joseph Pyle, Rensselaer Polytechnic Institute

Keystone State, Keystone of the Grenville Orogeny

 

PGS Speakers—2008

Jan

17

The Reverend Jesse B. Garner, 3rd, First Presbyterian Church, Philadelphia

Science and Religion: What’s the Problem?

Feb

21

Mr. Bob Dineen, PA Department of Transportation, Bureau of Construction and Materials

Schoharie Bridge Has Fallen Down: Why?

abstract

Mar

20

Dr. Henrich Holland, University of Pennsylvania and Harvard University

The Evolution of the Atmosphere

Apr

17

Dr. Neil Coleman, Nuclear Regulatory Commission

Yucca Mountain and Nuclear Waste Storage for a Million Years

May

15

Dr. Ted Daeschler, Academy of Natural Sciences

Tiktaalik: This Fish Evolved for Walking

Jun

No field trip this year.

Sep

18

Mr. Derrick Pitts, Chief Astronomer, The Franklin Institute

Mercury to Pluto: A Planetary Update

Oct

16

Mr. George Love, Pennsylvania Geologic Survey

The Pennsylvania Geologic Survey: Science Serving the Commonwealth

Nov

20

Dr. Terry Engelder, Pennsylvania State University

If John D. Rockefeller Were Alive to Capitalize on the Marcellus Shale Gas Play!

Dec

18

—NOMEETING—

 

PGS Speakers—2009

Jan

15

Dr. Steve Phipps, University of Pennsylvania

Serpentinites, Mélanges, and Subduction Zones

Feb

19

Dr. Daria Nikitina, West Chester University

Sea Level Rise and Environmental Changes of the Delaware Bay Coast in the Late Holocene

Mar

19

Dr. Linda Hinnov, Johns Hopkins University

Cyclostratigraphy and the Astronomical Time Scale

Apr

16

Dr. Bruce Marsh, Johns Hopkins University

Mush Column Magmatism:  An Antarctic Rosetta System

May

14

Dr. Mohamed Khalequzzaman, Lock Haven University

Poisoned Waters: Acid Mine Drainage and Agricultural Impairment in the Susquehanna Basin

Jun

No PGS field trip.

Sep

17

Mr. Brian Blum, CPG, Langan Engineering

Fundamentals of Geothermal Ground-Couple Design

Oct

No October meeting.

Nov

19

Mr. Ivin Williams

The Navajo Four Sacred Mountains—A Geological Perspective

Dec

17

Dr. Terry Engelder, Pennsylvania State University

The Marcellus Shale Gas Play: The Geological Perspective and Recent Developments

 

PGS Speakers—2010

Jan

21

Dr. Robert Kopp, Princeton University, Department of Energy

Melting Ice Sheets and Sea Level Rise: Earth’s Past and Our Future

Feb

18

Dr. Alexandra Davatzes, Temple University

The Water of Mars: Did the HiRISE Camera Find Just One Drop?

Mar

18

Dr. Kenneth Lacovara, Drexel University

Giants at the End of the World: New Dinosaur Discoveries from Southern Patagonia

Apr

15

Dr. Ryan Ewing, Princeton University

The Sands of Mars: Records of Climate Change in Martian Polar Dune Deposits

May

8

Field Trip: Bill Kochanov, Pennsylvania Geological Survey

The Carbonates Along the Schuylkill, Montgomery County

Sep

16

Dr. Susan L. Brantley, Pennsylvania State University

Bedrock to Soil: Where Rock Meets Life on Earth

Oct

21

Ms. Jane Uptegrove, New Jersey Geological Survey

Down the Shore: Geologic Mapping Off the New Jersey Shore from Barnegat to Long Beach Island

Nov

18

Dr. Jane Willenbring, University of Pennsylvania

Deciphering Global Floodplain Sedimentation Rate Increases Over the Last 10,000 Years

Dec

14

Mr. Greg Hillier, Schramm, Inc.

Field Trip: The Rigs That Rescued the 33: Tour of the Schramm Manufacturing Facility, West Chester

website

Dec

16

Dr. Michel Boufadel, Temple University

Cancelled: Long-Term Impacts of Marcellus Gas Drilling

 

 

PGS Speakers—2011

Jan

20

Dr. Kamini Singha, Pennsylvania State University

Lies My Hydrogeology Teachers Told Me

Feb

17

Eric Morschhauser, University of Pennsylvania

The Horned Dinosaurs: From Central Asia to the World

Mar

17

Dr. Maureen D. Feineman, Pennsylvania State University

The Diamante Caldera – Maipo Volcanic Complex: Building an Arc Volcano on Thick Continental Crust in the Southern Andes

Apr

21

Dr. Michel Boufadel, Temple University

Long-Term Impacts of Marcellus Gas Drilling

May

19

Dr. LeeAnn Srogi, West Chester University
Meeting at West Chester University; see directions.

From Giant Lava Flows to Dale Earnhart's Mausoleum: Mesozoic Pennsylvania ROCKS!

Sep

15

No meeting this month.

Oct

20

Dr. Daniel Lathrop, University of Maryland

Laboratory Models of the Earth’s Core: The Liquid Sodium Sphere

abstract

Nov

17

Dr. Jonathan Nyquist, Temple University

Riparian Challenges: Electrical Resistivity Tomography of Hyporheic Flow

Dec

15

Dr. Jay Parrish, Pennsylvania State University

The Lancaster County Seismic Reflection Survey

 

 

PGS Speakers—2012

Jan

19

Dr. Gene Ulmer, Temple University Emeritus

What We Need to Know for Successful Carbon Sequestration

abstract

Feb

16

No meeting.

Mar

15

Dr. Jason Downs, Swarthmore College

Big Bothriolepis, Little Bothriolepis

Apr

19

Dr. Douglas Jerolmack, University of Pennsylvania

Sediment Transport, Vegetation and Groundwater in a Desert Dune Field

May

17

Mr. Daryl Kohut, University of California Riverside

Glacial Chronology of the Sierra Nevada, California

7:00 pm at West Chester University

Sep

20

Dr. David R. Wunsch, Director and State Geologist, Delaware Geological Survey

Building the Case for a National Ground Water Monitoring Network

Oct

18

No meeting.

Nov

15

Dr. Timothy D. Bechtel, P.G., Franklin and Marshall College, and Marian J. Bechtel, Bryn Mawr College

Humanitarian De-Mining: Radar and Acoustic Detection Methods

abstract

Dec

20

No meeting.

 

 

PGS Speakers—2013

Jan

24

Dr. Donald C. Barber, Bryn Mawr College

Hurricane Sandy and Sea-Level Rise Down the Jersey Shore: Modern Observations and Holocene Evidence

Feb

21

Dr. William Seaton, PG, ARM Group, Inc.

Using Surface Geophysics to Delineate Geothermal Wellhead Protection Areas

Mar

21

Audience

Open Meeting: Consultants’ Corner

Apr

18

Mr. Derrick Pitts, Chief Astronomer, Franklin Institute

Solar System Update

May

18

Dr. LeeAnn Srogi, West Chester University

Field Trip: Quarry Pursuits, Berks and Chester Counties

info

Sep

19

Dr. Dru Germanoski, Lafayette College

Structural and Lithological Control on Topography in the Pennsylvania Appalachians

Oct

24

Dr. Frank Pazzaglia, Lehigh University

Earthquakes and EarthScope in the Mid-Atlantic Region

Nov

21

Audience

Open Meeting: Consultants’ Corner

Dec

12

Dr. Peter Sak, Dickinson College

Unraveling the Appalachians of Central Pennsylvania

 

 

PGS Speakers—2014

Jan

23

Mr. Steve Clark, Inflection Energy LLC

At the Wellsite: Marcellus Shale Drilling, Geosteering, and Fracking

Feb

20

No Meeting

Mar

20

Dr. Arlo Weil, Bryn Mawr College

Evolution of the Western Cordillera: The Sevier and Laramide Orogenies

Apr

17

Dr. Lawrence L. Malinconico, Lafayette College

Digital Geologic Mapping: The Demise of the Orange Field Book?

May

22

Dr. Vik Skema, Pennsylvania Geologic Survey, Retired

An Unusual Upper Devonian Diamictite in Pennsylvania

Sep

18

Dr. Michael Mann, Pennsylvania State University

Dire Predictions: Understanding Global Warming

Oct

23

Audience

Open Meeting: Consultants’ Corner

Nov

20

Mr. Kent Littlefield, Leidos

Friedensville Zinc Mines of Southern Lehigh County: Geology, Industrial History, and Environmental Impact

Dec

18

Mr. Pierre Lacombe, U.S. Geological Survey, Lawrenceville, NJ

Fractured Bedrock and Recalcitrant Contamination Research at the USGS and Other Research Sites in the Newark Basin

 

 

PGS Speakers—2015

Jan

15

No meeting

Feb

19

Mr. Dave Wilcots, P.G., Sci-Tek Consultants, Inc.

Postcards from the Eocene Bridger Formation of Wyoming

Mar

19

Mr. John O. Voigt, P.G., Voigt Mining and Geotechnical, Inc.

Salt Geology and Mining—An Introduction

Apr

16

Dr. Selby Cull-Hearth, Bryn Mawr College

Out of this World Research: Martian Salt

May

21

Paula Callahan, P.G., Pennsylvania Department of Transportation

Ordovician Mollusks Preserved in Paleokarst

Sep

17

Dr. Reto Gieré, University of Pennsylvania

Environmental and Health Effects of Minerals in the Air

Oct

22

Dr. Lauren Cole Sallan, University of Pennsylvania

A “Big Data” Guide to Vertebrate Origins

Nov

19

Scott Andres, Delaware Geological Survey, University of Delaware

Faults, Carbonate Cementation, and Microkarst in Mid-Atlantic Coastal Plain Aquifers

Dec

17

No meeting

 

 

PGS Speakers—2016

Jan

21

Mr. Mark Demitroff, Stockton University

Earth, Wind, and Ice: Ancient Climate Change and the Periglacial Pinelands

Feb

18

Dr. Lo˙c Vanderkluysen, Drexel University

It’s a Trap! Origin, emplacement and impact of the Deccan large igneous province

Mar

17

Ms. Dawn Hintz, Susquehanna River Basin Commission

Results of the Marcellus Area Stream Monitoring, Susquehanna River Basin

Apr

21

No meeting

 

May

19

Dr. Gale Blackmer, Pennsylvania State Geologist, Pennsylvania Geological Survey

New Thoughts on the Pennsylvania/Delaware Piedmont (and a general update on activities of the Pennsylvania Geological Survey)

 

 

Sep

15

Ms. Felicia Kegel Bechtel, P.G., President, Enviroscan, Inc.

Hey, This Geophysics Stuff Really Works!

Oct

20

No meeting

 

Nov

17

Consultants’ Corner: Open Meeting

 

Dec

8

Dr. Jane E. Dmochowski, University of Pennsylvania

Remote Sensing

 

 

PGS Speakers—2017

Jan

19

Dr. Eric N. Clausen, Minot (ND) State University, Emeritus

Southeast Pennsylvania Drainage History: What W.M. Davis Overlooked

Feb

16

Mr. Craig A. Eckert, Exploration Geologist, EQT Production

Structural Styles in the Appalachian Plateau Province

Mar

16

Dr. Irina Marinov, University of Pennsylvania

Why the Southern Ocean Matters for Climate

abstract

Apr

20

Dr. David Goldsby, University of Pennsylvania

From Earthquake Nucleation to Dynamic Fault Slip: A Frictional Tale

May

18

Dr. Tullis C. Onstott, Princeton University

Deep Life: The Hunt for the Hidden Biology of Earth, Mars, and Beyond

 

 

 

Sep

21

Mr. Ernie Hanna, P.E.

Lead Geotechnical Engineer,

GZA Environmental, Inc.

What's Under a Skyscraper? Understanding GeoEnvironmental Foundations in Buildings

Oct

26

Dr. Timothy Bechtel, Dr. Robert Walter, Mr. Jake Longenecker;

Franklin & Marshall College

The Bubble at Boiling Springs: A Hydrogeology Mystery Solved

Nov

16

Liam Doyle, Beau Haag, Lara Ilsemann, and Dr. Kurt Friehauf, Kutztown University

Ore Body Studies from Indonesia and Inner Mongolia to Allentown

Dec

14

Mr. Gary Kribbs, P.G., President, Aeon Geoscience, Inc.

Stereoscopic Interpretive Aerial Geology...Has It Been Forgotten?

 

 

PGS Speakers—2018

Jan

25

Mr. Phil Getty, P.G., Boucher & James, Inc.

Natural Upward Movement of Connate Groundwaters: A Contributor to Water Well & Aquifer Yield Degradation

 

Feb

15

Dr. John Higgins, Princeton University

The Search for Earth’s Oldest Ice: Clues About our Future Climate

 

Mar

15

Mr. David Wilcots

Mr. Bill Haaf

Center City Sedimentary Stratigraphy

What is deep decarbonization? Will the natural gas bridge help or hurt?

 

Apr

19

Dr. Robert M. Hazen, Carnegie Institution’s Geophysical Laboratory & George Mason University

The Co-Evolution of the Geosphere and Biosphere: A “Big-Data” Approach

abstract

May

17

Mr. John Sime, University of Pennsylvania

Economy of Fossil Preservation: How Human Activity Shapes Our Understanding of the History of Life

 

 

 

 

 

Sep

20

Dr. Sonia Tikoo, Rutgers University

Magnetic Insights into the Formation of Chicxulub Crater

 

Oct

25

Mr. Toby Kessler, PG, and Trevor Woodward, Gilmore & Associates

Managing Stormwater Drainage in Urban Karst Conditions

abstract

Nov

15

No November meeting (snow cancellation).

 

 

Dec

20

No December meeting.

 

 

 

PGS Speakers—2019

Jan

24

Dr. Timothy Bralower, Pennsylvania State University

Drilling the Chicxulub Crater: Clues to the Extinction of the Dinosaurs

 

Feb

21

Mr. Joseph Foglio, CHMM, GZA Environmental, Inc.

 

From 1881 to 2018, History and Remediation of a Coal Gas Plant, Charlestown, West Virginia

 

Mar

21

Kieran Dunne, Ph.D. Candidate, University of Pennsylvania

Mud and the Shape of Rivers

 

Apr

18

Ms. Elizabeth Graybill, Geologist/Mining Engineer, RHI Magnesita, York, PA

How Depositional Environment Guides the Mining of High Purity Ledger Dolomite for Refractory Production

 

May

16

Mr. Robert R. Kulp

Geology of the Monocacy Hill Diabase Intrusion

 

 

 

 

 

Sep

19

Dr. Cynthia A. Hall, West Chester University

Lead in Philadelphia Soils

 

Oct

24

Consultants’ Corner: Open Meeting

 

 

Nov

21

No meeting

 

 

Dec

19

No meeting

 

 

 

PGS Speakers—2020

Jan

23

Mr. David Wilcots, P.G., Sci-Tek Consultants, Inc.

The Trenton & Other Gravels

 

Feb

20

Dr. Dave Yoxtheimer, P.G., Pennsylvania State University, Marcellus Center for Outreach and Research

Environmental Aspects of Appalachian Basin Shale Energy Development

 

Mar

19

Meeting postponed (pandemic)

 

 

Apr

16

No meeting

 

 

May

21

Dr. Ilya V. Buynevich, Temple University

Traces in Deep Time: Ichnological Discoveries in the Lower Delaware Valley Region (Zoom)

abstract

 

 

 

 

Sep

17

No meeting

 

 

Oct

15

Mr. Toby Kessler, PG, Gilmore & Associates

 

Evaluation, Treatment and Source Protection Lessons from the Epicenter of PFAS in Southeastern PA (Zoom)

abstract

Nov

19

No meeting

 

 

Dec

17

Dr. Lara B. Fowler, Senior Lecturer, Penn State Law, Assistant Director, Penn State Institutes of Energy and the Environment

Why Should Pennsylvania Care About Groundwater Law? (Zoom)

 

 

PGS Speakers—2021

Jan

21

No meeting

 

 

Feb

18

No meeting

 

 

Mar

18

No meeting

 

 

Apr

15

Dr. Drew Christ, Gund Postdoctoral Fellow & Lecturer

Department of Geology, Gund Institute for Environment, University of Vermont

An Ecosystem Under the Ice: New Insights into Greenland Glacial History from the Camp Century Ice Core (Zoom)

 

May

13

Dr. Robert J. Stern, University of Texas, Dallas

Dr. Taras Gerya, ETH Zurich

Disruption of a Mesoproterozoic Single Lid Tectonic Regime and Establishment of a Global Plate Tectonic Mosaic Through Neoproterozoic Time (Zoom)

 

 

Meetings suspended for the remainder of 2021

 

 

 

PGS Speakers—2022

 

 

No meetings were held in 2022

 

 

 

 

PGS Speakers—2023

 

 

No meetings were held January–September 2023

 

 

Oct

26

Mr. Brian Kilbestis, Temple University

Reading the Bones: An Investigation of Soft Tissue Preservation in Paleogene Fossils

abstract

Nov

16

Ms. Ariana Miranda, Temple University

Paleolandscapes of the Florissant Fossil Beds National Monument, Central Colorado

 

 

 

Last revised: 13 February 2024