Surface Lineaments And Lithofacies Distribution Of The Tyler Formation In Southwestern North Dakota

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Surface Lineaments And Lithofacies Distribution Of The Tyler Formation In Southwestern North Dakota

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Title: Surface Lineaments And Lithofacies Distribution Of The Tyler Formation In Southwestern North Dakota
Author: Guerrero, Nicolas Beltran
Abstract: The purpose of this study is to investigate whether a correlation exists between surface lineaments and lithofacies distribution of the Pennsylvanian Tyler Formation in the southwest portion of North Dakota of the Williston Basin. If a cost-effective technique to locate preserved fluvial sandstone bodies can be developed, the Tyler Formation has the potential to be a productive hydrocarbon exploration target. Many intercratonic sedimentary basins, such as the Williston Basin, exhibit nearly orthogonal surface lineaments. In the case of the Cooper Basin in Australia, lineament analysis helped locate areas where Proterozoic rocks are fractured and filled with quartz veins containing precious metals. In the Michigan Basin, the lineament analysis helped locate deep faults that allow for greater heat flow among anticlinal structures and for thermogenic dolomite to develop. The dolomites are more likely to preserve secondary porosity and be reservoirs for oil. To locate areas with a greater probability of sandstone preservation, this North Dakota Tyler study attempts to establish the use of surface lineaments as a predictive indicator. The Tyler sandstones are presumably preferentially deposited along lineament orientations. The surface lineaments are the result of subtle topographic changes due to preferential erosion, minor structures, movement, and/or faults along weak zones in the basement rock. The basement weakness zones are reactivated throughout geologic history and should have resulted in lineaments during Pennsylvanian time. Fluvial morphology is highly susceptible to small topographic changes: consequently, Pennsylvanian surface lineaments should have bounded drainage pattern into the same orientation as present day surface lineaments. Unfortunately, surface lineament analysis alone did not find a correlation with known lithofacies distribution in the study area.
Date: 2012-07-25

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Guerrero_uta_2502M_11728.pdf 1.774Mb PDF View/Open
Plate01_Grid_TylerUpperGross(NBG).pdf 3.460Mb PDF View/Open
Plate02_Grid_FryburgSandsoneGrossTh.pdf 3.264Mb PDF View/Open
Plate03_Grid_TylerMidlleGross(NBG).pdf 2.785Mb PDF View/Open
Plate04_Grid_TylerLowerGross(NBG).pdf 3.873Mb PDF View/Open
Plate05_Grid_TylerGross(NBG).pdf 2.714Mb PDF View/Open
Plate06_uppertylerCumulativesandstonethickness.pdf 120.2Kb PDF View/Open
Plate07_Middlet ... tivesandstonethickness.pdf 120.2Kb PDF View/Open
Plate08_LowertylerCumulativesandstonethickness.pdf 146.0Kb PDF View/Open
Plate09_Hillshadewithsurfacelineaments.pdf 1.663Mb PDF View/Open
Plate10_HillshadewithHistoricalLineaments.pdf 1.651Mb PDF View/Open
Plate11_TylerValleyswithNEDLineaments.pdf 103.7Kb PDF View/Open
Plate12_TylerValleyswithLineamentDensity.pdf 212.8Kb PDF View/Open
Plate13_TylerCumulativesandstonethickness.pdf 149.9Kb PDF View/Open
Plate14_Hillsha ... elineamentswEarthfield.pdf 11.45Mb PDF View/Open
Plate15_TylerVa ... yContoursandEarthfield.pdf 216.3Kb PDF View/Open
Plate16_USRocki ... listonBasinStructures_.pdf 193.2Kb PDF View/Open
PLate17_TylerVa ... sitylineamentcountours.pdf 244.2Kb PDF View/Open

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