Geological society of america annual meeting abstracts with programs

Through transmitted light and cathodoluminescence CL observations, we documented the effects of microscopic inclusions and fractures, which yielded chemical anomalies of apparent secondary nature. Session No. Lithium Li is an economically important element that is on high demand for rechargeable batteries and grid-scale energy storage.

Datta Eds. DOI Geophysical surveys over karst features in northern Yucatan, Mexico. Investigation of a sinkhole in Ogle County, northwestern Illinois, using near-surface geophysical techniques. Morrow, W.

Reston, VA: U. Geological Survey Data Series Adams, R. Johnson, B. Geophysical response of slackwater and sandy terrace deposits near Savanna, Northwestern Illinois: Environmental Earth Sciences, v. Identifying groundwater contamination using resistivity surveys at a landfill near Maoming, China, Nature Education, 3 6 : electronically published. Atre, S. Carpenter Identification of cross-valley faults in the Maynardville Limestone, Oak Ridge Reservation, Tennessee, using seismic refraction tomography: Environmental Earth Sciences, v.

Chu The timing of this impact event is closely associated with deposition of the Chattanooga Shale Formation during the Devonian Period, with the pre-impact conditions of units in the area being consolidated and flat lying. The units impacted include Ordovician limestones and dolomites that overlie crystalline basement and, putatively, earliest sediments of the Chattanooga Shale. The resulting impact breccia weathers to a light gray with granule to boulder-sized clasts throughout.

The current hypothesis for the formation history of this area is that the impact event that formed the Flynn Creek Crater occurred just before the Chattanooga Shale was deposited. Calculations show the asthenosphere to have an appropriate viscosity to account for the delay between deceleration and subduction zone seismicity, however, a geodetic test of the anticipated westward overshoot would be of utility.

Whatever the mechanism, the year advanced warning of increased seismic hazards afforded by the first derivative of the LoD is fortuitous, and has utility in disaster planning.