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Quaternary Erosional History of the St. Marys River, Western Virginia
The landscape between Vesuvius and Greenville Virginia records the history of competition between the Shenandoah-Potomac and Maury-James basins. The St. Marys River is the latest in a series of stream captures that appear ...
Microstructural and Lattice-Preferred Orientation Analyses of Ductile Shear Zones: Maggia Nappe, Switzerland
Microstructures of 24 samples and quartz lattice-preferred orientations (LPO) of 13 samples from the crystalline Maggia Nappe, Switzerland were measured in order to assess the deformation history, mechanisms, and conditions ...
Late Wisconsin Glacier Surface Elevations and Flow Directions from the Beartooth Plateau to the Clarks Fork Valley, Wyoming
During the Pinedale glaciation of the Late Wisconsin, an ice cap covered most of the land comprising the Beartooth Plateau and the highlands to the south, stretching to the Clarks Fork Valley in northwestern Wyoming. The ...
The Stratigraphic Relationship of the Catoctin, Unicoi and Harpers Formations Within a Fault-bounded Rift Basin in Central Virginia
Sediments deposited within a rift basin that is now situated in the Blue Ridge region of central Virginia include spilitic metabasalt, which exhibit pillow structures, alluvial slump deposits, fluvial channel sands, deltaic ...
Martian North Polar Crater Morphology: Implications for an Aquifer
Recent studies of martian north polar craters have suggested that they have more cavity fill than the global crater population, and that the morphology of the crater fill is in some cases-similar to pingo structures on ...
The Sedimentology of the Snowden Member of the Late Precambrian-Early Cambrian (?) Harper's Formation in Central Virginia
The Snowden Member is the thickest and most mappable of the quartzose sandstone units of the heterogeneous Harpers Formation, the middle unit of the late Precambrian-early Cambrian(?)
Chilhowee Group in central Virginia. ...
The Stratigraphy and Structure of the Simsboro Gas Field, Lincoln Parish, Louisiana
Well logs have been used to interpret the structure and stratigraphy of the Simsboro Gas Field of Lincoln Parish, Louisiana. A variety of subsurface maps have been constructed in an attempt to interpret the depositional ...
Automated Cross-section Construction and Forward Modeling of the Northern Terminus of the Sequatchie Valley Anticline
Producing a balanced cross-section is a very time and labor intensive process. Balancing of a section requires boundary conditions for both the deformed and undeformed state. A common boundary condition for the undeformed ...
Serpulids as Indicators of Mid-late Holocene Climate: Timing and Paleoclimate Significance of Large Worm Tube Aggregates, Lago Enriquillo, Dominican Republic
Large aggregates of calcareous serpulid worm tubes recorded paleoclimate conditions as they colonized the mid to late Holocene Enriquillo embayment, Dominican Republic. Serpulid worms flourished in the embayment following ...
Geology of the Precambrian Igneous-Metamorphic Complex of the Blue Ridge in the Snowden Quadrangle, Virginia
The Snowden 7.5 minute quadrangle is located entirely within the Blue Ridge physiographic province of Virginia. Early Cambrian sediments of the Chilhowee Group occur in the northern
half of the quadrangle, while the southern ...