Geologic Times Corporation

Geologic Times corporation D.B.A. GTC Rock Shop & Science education locations


gtc rock shop &
GTC science education center

Our "Brick & Mortar" Store and Science Entertainment & Education Center are located inside of Francis Scott Key Mall, Frederick MD

Our store is a 9,000 square foot facility featuring the areas largest selection of real rocks, minerals, fossils, and more! It also is the home of our science education center.  As many of you know, we are far more then just a rock shop, we are also a science educational company too! Our retail division helps fund our efforts to inspire "kids of all ages" in the sciences, and we greatly appreciated your support!

GTc rock shop &
Science Education center

The GTC Rock Shop and our GTC Science Education Center is located within the Francis Scott Key Mall in Frederick, MD conveniently located directly across from the Barnes and Noble. All sales help support Geologic Times Corporations science educational efforts! Thank you for your support.

Store Hours:
Mondays: Private Educational Programs Only - Closed to public
Tuesday:(Delayed opening) Open 1pm to 8pm
Wednesday - Saturday: 11:00 to 8:00pm

Sunday: 12:00 to 6:00pm
Gem & Fossil Mining Flume Hours:
Saturdays & Sundays (and some holidays) 1pm to 4pm


GTC Science education center

Our new 3,000 sq ft science education center which is connected to our existing 6,000 sq ft store is now open. Please visit Eventbrite and search for upcoming programs and activities listed under GTC Rock Shop, Frederick MD