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  • Rock-of-Ages Precambrian Autumn Rose Granite Quarry, Johnston Co., OK
  • Well drilled in limestone quarry, OK
  • Turner Falls, Murray Co, OK
  • Mesabi Iron Range, Minnesota
  • Angular unconformity on Honey Creek, Murray Co., OK
  • Sylvan shale, Sycamore limestone contact, Exit 51, I-35 Murray Co. OK
  • Granite boulder, Minnesota
  • Hunton Group, northern Arbuckle Mountains, OK
  • Oil seep, Ordovician Viola Formation, Dougherty, OK
  • Woodford shale, a source rock in southern Oklahoma
AG will also lead groups on geologic field trips in Oklahoma.  Over 1000 people have benefited from our educational tours, featuring everything from collecting to serious geology.