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Geology of the San Juan Basin, New Mexico. Matthew Dixon Emil Johnson. Crevasse Canyon . Is coal bearing bedrock formation Formerly known as the callop formation The Dalton Sandstone unit Non-Marine Unit . Dakota Sandstone. Late Jurassic 86.5 thickness - PowerPoint PPT Presentation
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Is coal bearing bedrock formation Formerly known as the callop formation The Dalton Sandstone unit Non-Marine Unit
Crevasse Canyon
Late Jurassic 86.5 thickness Upper 15 meters Gryphea Layer Represents a Transgressive Deposit Transgressive deposits Oil and Gas producing Trapping Methods Unknown
Dakota Sandstone
Early Cretaceous Is the Bulk of Marine Deposits in the San
Juan Basin Shale's have Fractured due to Stress 13,000,000
Mancos Shale
Overlays the Mancos Cretaceous Aged Shows a Steep Regression “Regression Gallop” Unconformity Separates upper “Transgressive
Gallop” Oil and Gas Producing’ 140,000,000 350,000,000 MCF (per thousand cubic feet”
Gallop Sandstone
Point Lookout Sandstone, Transgressive Cliff House, Menefee Formation
Point lookout lamented sandstone; traces carboniferous shale's
Cliff House Similar; more porous Also unknown trapping method for Oil and
Gas
Mesaverde Group
Upwards Transitions from Fluvial sandstones to Shale's
Coal Beds; lagoon environment Fossils (crocs and cretaceous turtles;
Dinosaurs
Menefee