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The AAPG/Datapages Combined Publications Database
Grand Junction Geological Society
Abstract
Gas Fields in Mesaverde Sandstones in the Rifle Embayment of the Southeastern Piceance Creek Basin, Colorado
Abstract
In the Rifle embayment of the southeastern Piceance Creek Basin, gas is found and produced in low-permeability sandstones in the Mesaverde Group of Late Cretaceous age. The Mesaverde Group contains thick nonmarine facies with numerous fluvial sandstones encased in flood plain shales that contain abundant plant detritus. Coal is widespread in the lower part of the group. A lower marine sandstone facies intertongues with the underlying Mancos Shale. These blanket sandstones grade into shale toward the southeast across the basin. Gas fields are located in faulted anticlines and in stratigraphic traps confined by lateral permeability barriers. Much gas remains to be produced from this large area.
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