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The Bradley lecture was given Oct. 9 and a draft of the meeting minutes can be found here.

This will be an IN-PERSON meeting only. Three excellent talks will be presented:

ANDY CAMPBELL, Nuclear Regulatory Commission (retired) – Geochemistry of hydrothermal vents in the Gulf of California

CHRISTINA DEVERA, U.S. Geological Survey – USGS Geoheritage Sites of the Nation Inventory: Connecting geologic mapping and societal values to reach a broad audience

RYAN MCALEER, U.S. Geological Survey – Microtextures and microchemistry in retrograde shear zones and their implications for geochronology, deformation mechanisms, and rock strength

Come at 7:30 PM to socialize and imbibe, the meeting begins at 8 PM, and ends by 10 PM.

FALL FIELD TRIP: DECEMBER 7 – CHANGE OF DATE!

The GSW fall field trip has been changed to Saturday, December 7th. Check back here for updates and details.

The first GSW meeting of the Fall featured three formal talks, and an obituary of Daniel Milton. A draft of the meeting minutes can be found here.

This will be an IN-PERSON meeting only. Three excellent talks will be presented:

JANE HAMMARSTROM, U.S. Geological Survey – Critical minerals in the U.S.: Past, present, and potential

TOMMASO MANDOLINI, University of Maryland – 3D microstructure, porosity and permeability in and out of the fault in deformed sandstones.

JOSHUA MARTIN, Geological Society of America – Geoscience’s Role in Shaping Policy Decisions

Come at 7:30 PM to socialize and imbibe, the meeting begins at 8 PM, and ends by 10 PM.

The last GSW meeting of the Spring featured three formal talks, two informal communications, and an obituary. A draft of the meeting minutes can be found here.

from the meeting at the Carnegie Earth and Planets Lab on April 24 are here. Comments or corrections should be directed to Michael Purucker.

This will be an IN-PERSON meeting only. Three excellent talks will be presented:

ELI MOORE, U.S. Geological Survey: Subsurface Metaproteomics Reveals Diverse Active Microbial Metabolisms in the Antrim Shale

ROBERTA RUDNICK, University of California – Santa Barbara: Metapelites in the lower crust beneath the Potrillo Volcanic Field provide insights into the mysterious 1.4 Ga Picuris Orogeny

ADAM WALLACE, University of Delaware: Reassessment of the Roles of Ion Hydration and Dehydration on the Reactivity of the Calcite-Water Interface

Come at 7:30 PM to socialize and imbibe, the meeting begins at 8 PM, and ends by 10 PM.

The GSW meeting at the Cosmos Club hosted three talks. A draft of the meeting minutes are available here. Please contact Michael Purucker with any suggestions, changes or corrections.

The field trip was a great success! Special thanks to Rebecca Kavage Adams (Maryland Geological Survey) for leading the trip.

The GSW spring field trip will be held Saturday, March 30, 2024 in Patapsco Valley State Park: The Potomac terrane, Baltimore terrane, and Baltimore Mafic Complex, led by Rebecca Adams, Maryland Geological Survey

Meet at 9am in the Woodstock parking area of Patapsco Valley State Park, Maryland

Tentative itinerary:

• Baltimore Gneiss w/pegmatite 9:00-10:00am
• Patapsco Valley State Park, McKeldin Area:
  •  Setters Quartzite 10:15-11:00am
  •  Baltimore Gneiss at McKeldin Rapids 11-12:00pm
  •  Lunch (bring your own): at shelter (Setters Quartzite)
  •  Cockeysville Marble & Loch Raven Schist 12:15-1:15pm
  •  Marriottsville Rd #2 Talc mines 1:30-2:15pm
• Soldiers Delight Natural Area, Serpentinite, Choate chromite mine & overlook 2:30-3:30pm
• Last stop: Howard County Western Regional Park, Sykesville Formation, near field #10 4:00-5:00pm