Christopher J Schenk
Research geologist with the Central Energy Resources Science Center.
Science and Products
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Stratigraphic correlations between the Eagle Valley Evaporite and Minturn Formation, Eagle Basin, Northwest Colorado
No abstract available.
Authors
Christopher J. Schenk
Sedimentology and petroleum occurrence, Schoolhouse Member, Maroon Formation (Lower Permian), northwestern Colorado
The Lower Permian Schoolhouse Member of the Maroon Formation forms a partly exhumed petroleum reservoir in the Eagle basin of northwestern Colorado. The Schoolhouse consists mainly of yellowish gray to gray, low-angle to parallel bedded, very fine to fine-grained sandstone of eolian sand-sheet origin; interbedded fluvial deposits are present in most sections. Geological and geochemical data sugges
Authors
Samuel Y. Johnson, Christopher J. Schenk, D. L. Anders, Michele L. Tuttle
Evolution of porosity in "Deep" sandstones of the Permian upper part of the Minnelusa Formation, Powder River basin, Wyoming
No abstract available.
Authors
Christopher J. Schenk
Heavy oil resources of the United States
No abstract available.
Authors
Bonnie L. Crysdale, Christopher J. Schenk
Paleogeothermal gradients and timing of oil generation in the Belden Formation, Eagle Basin, northwestern Colorado
Paleogeothermal gradients and timing of oil generation for the Lower and Middle Pennsylvanian Belden Formation have been estimated for four locations in the Eagle Basin of northwestern Colorado, by comparing measured vitrinite reflectance with maturity modeling. Two thermal models were made for each location: one assumes a constant paleogeothermal gradient through time while the other is a two-sta
Authors
V. F. Nuccio, S. Y. Johnson, Christopher J. Schenk
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 gypsum grains r
Authors
Christopher J. Schenk, S. G. Fryberger
Bitumen-bearing deposits of the United States
No abstract available.
Authors
Bonnie L. Crysdale, Christopher J. Schenk
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 the three-l
Authors
J. W. Schmoker, Christopher J. Schenk
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 and unmovi
Authors
S. G. Fryberger, Christopher J. Schenk
Primary textures in experimentally formed oolite cross-strata
No abstract available.
Authors
Christopher J. Schenk
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
Science and Products
Filter Total Items: 57
Filter Total Items: 40
No Result Found
Filter Total Items: 281
Stratigraphic correlations between the Eagle Valley Evaporite and Minturn Formation, Eagle Basin, Northwest Colorado
No abstract available.
Authors
Christopher J. Schenk
Sedimentology and petroleum occurrence, Schoolhouse Member, Maroon Formation (Lower Permian), northwestern Colorado
The Lower Permian Schoolhouse Member of the Maroon Formation forms a partly exhumed petroleum reservoir in the Eagle basin of northwestern Colorado. The Schoolhouse consists mainly of yellowish gray to gray, low-angle to parallel bedded, very fine to fine-grained sandstone of eolian sand-sheet origin; interbedded fluvial deposits are present in most sections. Geological and geochemical data sugges
Authors
Samuel Y. Johnson, Christopher J. Schenk, D. L. Anders, Michele L. Tuttle
Evolution of porosity in "Deep" sandstones of the Permian upper part of the Minnelusa Formation, Powder River basin, Wyoming
No abstract available.
Authors
Christopher J. Schenk
Heavy oil resources of the United States
No abstract available.
Authors
Bonnie L. Crysdale, Christopher J. Schenk
Paleogeothermal gradients and timing of oil generation in the Belden Formation, Eagle Basin, northwestern Colorado
Paleogeothermal gradients and timing of oil generation for the Lower and Middle Pennsylvanian Belden Formation have been estimated for four locations in the Eagle Basin of northwestern Colorado, by comparing measured vitrinite reflectance with maturity modeling. Two thermal models were made for each location: one assumes a constant paleogeothermal gradient through time while the other is a two-sta
Authors
V. F. Nuccio, S. Y. Johnson, Christopher J. Schenk
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 gypsum grains r
Authors
Christopher J. Schenk, S. G. Fryberger
Bitumen-bearing deposits of the United States
No abstract available.
Authors
Bonnie L. Crysdale, Christopher J. Schenk
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 the three-l
Authors
J. W. Schmoker, Christopher J. Schenk
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 and unmovi
Authors
S. G. Fryberger, Christopher J. Schenk
Primary textures in experimentally formed oolite cross-strata
No abstract available.
Authors
Christopher J. Schenk
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