The Maryland Geological Society, a non-profit, volunteer organization dedicated to the collection, study, and display of all aspects of the geological sciences, is composed of amateur and professional fossil and mineral collectors. Membership is open to all and visitors are always welcome!

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Latest News

In-Person Meeting May 21, 2023

The Maryland Geological Society and the American Fossil Federation held a joint in-person meeting on Sunday, May 21st, 2023. The primary news announced by MGS President Rick Smith is that the club will hold one more meeting in 2023 in the fall at a date to be determined. The highlight of the meeting was a presentation on "Predation by Sharks in the Fossil Record" by Dr. Stephen Godfrey, Curator of Paleontology at the Calvert Marine Museum.

Also on display at the meeting was a rich array of fossils. Among these fossils was a Cretaceous fish from the Santana Formation in Brazil.

Here is a beautiful display of Miocene fossil shells from the Patuxent River.

Next Meeting


Featured Mineral

The featured mineral is microcline, so named for its cleavage planes. Of all microclines, amazonite is of most importance for collectors and gem cutters. The specimens pictured below were photographed by MGS member Bob Farrar and are from his collection.


The MGS Trips page has information on policies regarding trips and details about any upcoming trips. MGS trips are restricted to members. There are no trips currently scheduled.

Notable Quotes

Geologist Andrew H. Knoll

Among the enduring lessons of geology is a recognition of how fleeting, fragile, and precious our present moment is.
The Maryland Geological Society is a member of the Eastern Federation of Mineralogical and Lapidary Societies and the American Federation of Mineralogical Societies.

The Maryland Geological Society is NOT affiliated with the Maryland Geological Survey, a state governmental organization.
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