Christopher J Schenk
Research geologist with the Central Energy Resources Science Center.
Science and Products
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Facies composition calculated from the sonic, neutron, and density log suite, upper part of the Minnelusa Formation, Powder River basin, Wyoming Facies composition calculated from the sonic, neutron, and density log suite, upper part of the Minnelusa Formation, Powder River basin, Wyoming
Sandstones and dolomites of the Permian upper part of the Minnelusa Formation are treated here as four-component systems consisting of fluid-filled pore space, quartz, dolomite, and anhydrite. Response equations of sonic, neutron, and density logs form a system of four simultaneous equations. With four equations and four unknowns, the composition of upper Minnelusa facies is defined by...
Authors
J. W. Schmoker, Christopher J. Schenk
Pin stripe lamination: A distinctive feature of modern and ancient eolian sediments Pin stripe lamination: A distinctive feature of modern and ancient eolian sediments
Pin stripe laminations are a distinctive feature of modern and ancient eolian sediments. In sets of eolian ripple (or translatent) strata they represent deposition of silt and very fine sand in the troughs of the advancing wind ripples. In sets of avalanche strata they probably result from the downward settling of fine sand and silt within the moving avalanche to the interface of moving...
Authors
S.G. Fryberger, Christopher J. Schenk
Early diagenesis of eolian dune and interdune sands at White Sands, New Mexico Early diagenesis of eolian dune and interdune sands at White Sands, New Mexico
The degree of early diagenesis in eolian dune and interdune sands at White Sands, New Mexico, is largely a function of the relationship between sand location and the water table. Most active and vegetation-stabilized dune sands are in the vadose zone, whereas interdune sands are in the capillary fringe and phreatic zones. Crystallographically controlled dissolution of the framework...
Authors
Christopher J. Schenk, S.G. Fryberger
Sedimentology and paleogeographic significance of six fluvial sandstone bodies in the Maroon Formation, Eagle Basin, northwest Colorado. Sedimentology of an Eolian sandstone from the Middle Pennsylvanian Eagle Valley Evaporite, Eagle Basin, northwest Col Sedimentology and paleogeographic significance of six fluvial sandstone bodies in the Maroon Formation, Eagle Basin, northwest Colorado. Sedimentology of an Eolian sandstone from the Middle Pennsylvanian Eagle Valley Evaporite, Eagle Basin, northwest Col
No abstract available.
Authors
S. Y. Johnson, Christopher J. Schenk, V. F. Nuccio
Primary textures in experimentally formed oolite cross-strata Primary textures in experimentally formed oolite cross-strata
No abstract available.
Authors
Christopher J. Schenk
Field guide and road log: Pennsylvanian and Permian depositional systems and cycles in the Eagle basin, northwestern Colorado Field guide and road log: Pennsylvanian and Permian depositional systems and cycles in the Eagle basin, northwestern Colorado
No abstract available.
Authors
Christopher J. Schenk, S. Y. Johnson, J. A. Karachewski
Science and Products
Filter Total Items: 57
Filter Total Items: 57
No Result Found
Filter Total Items: 310
Facies composition calculated from the sonic, neutron, and density log suite, upper part of the Minnelusa Formation, Powder River basin, Wyoming Facies composition calculated from the sonic, neutron, and density log suite, upper part of the Minnelusa Formation, Powder River basin, Wyoming
Sandstones and dolomites of the Permian upper part of the Minnelusa Formation are treated here as four-component systems consisting of fluid-filled pore space, quartz, dolomite, and anhydrite. Response equations of sonic, neutron, and density logs form a system of four simultaneous equations. With four equations and four unknowns, the composition of upper Minnelusa facies is defined by...
Authors
J. W. Schmoker, Christopher J. Schenk
Pin stripe lamination: A distinctive feature of modern and ancient eolian sediments Pin stripe lamination: A distinctive feature of modern and ancient eolian sediments
Pin stripe laminations are a distinctive feature of modern and ancient eolian sediments. In sets of eolian ripple (or translatent) strata they represent deposition of silt and very fine sand in the troughs of the advancing wind ripples. In sets of avalanche strata they probably result from the downward settling of fine sand and silt within the moving avalanche to the interface of moving...
Authors
S.G. Fryberger, Christopher J. Schenk
Early diagenesis of eolian dune and interdune sands at White Sands, New Mexico Early diagenesis of eolian dune and interdune sands at White Sands, New Mexico
The degree of early diagenesis in eolian dune and interdune sands at White Sands, New Mexico, is largely a function of the relationship between sand location and the water table. Most active and vegetation-stabilized dune sands are in the vadose zone, whereas interdune sands are in the capillary fringe and phreatic zones. Crystallographically controlled dissolution of the framework...
Authors
Christopher J. Schenk, S.G. Fryberger
Sedimentology and paleogeographic significance of six fluvial sandstone bodies in the Maroon Formation, Eagle Basin, northwest Colorado. Sedimentology of an Eolian sandstone from the Middle Pennsylvanian Eagle Valley Evaporite, Eagle Basin, northwest Col Sedimentology and paleogeographic significance of six fluvial sandstone bodies in the Maroon Formation, Eagle Basin, northwest Colorado. Sedimentology of an Eolian sandstone from the Middle Pennsylvanian Eagle Valley Evaporite, Eagle Basin, northwest Col
No abstract available.
Authors
S. Y. Johnson, Christopher J. Schenk, V. F. Nuccio
Primary textures in experimentally formed oolite cross-strata Primary textures in experimentally formed oolite cross-strata
No abstract available.
Authors
Christopher J. Schenk
Field guide and road log: Pennsylvanian and Permian depositional systems and cycles in the Eagle basin, northwestern Colorado Field guide and road log: Pennsylvanian and Permian depositional systems and cycles in the Eagle basin, northwestern Colorado
No abstract available.
Authors
Christopher J. Schenk, S. Y. Johnson, J. A. Karachewski