|North-Central Section (44th Annual) and South-Central Section (44th Annual) Joint Meeting (11–13 April 2010)|
|Paper No. 45-5|
|Presentation Time: 8:30 AM-12:00 PM|
MESOPROTEROZOIC GEOLOGY OF THE INKS LAKE AND SOUTHEAST LAKE BUCHANAN REGION, NORTHEASTERN LLANO UPLIFT, BURNET AND LLANO COUNTIES, CENTRAL TEXAS
TAYLOR, Travis R. and GÖBEL, Volker W., Department of Geology, Stephen F. Austin State University, Nacogdoches, TX 75962, firstname.lastname@example.org|
The Llano Uplift of central
A ~40 km2 mapping area is in extension of the study by Morris (2006) who described a ~4.9 km thick tectonically stacked sequence of heterogeneous mapping units. Some of the felsic VSD-gneisses and minor PD schists/gneisses were traced towards the west and southwest into the Inks
Multistage metamorphic mineral assemblages indicate a range from relict eclogite facies to amphibolite facies conditions, and retrogression of crustal P-T conditions along a clockwise P-T-t path during the Llano orogenic event. A small body of the Sheridan olivine basalt dike (1.006 Ga K/Ar) may indicate a change from contractional to extensional tectonism.
North-Central Section (44th Annual) and South-Central Section (44th Annual) Joint Meeting (11–13 April 2010)
General Information for this Meeting
|Session No. 45--Booth# 39|
Tectonics, Volcanology, Petrology (Posters)
Branson Convention Center: Taneycomo A
8:30 AM-12:00 PM, Tuesday, 13 April 2010
Geological Society of America Abstracts with Programs, Vol. 42, No. 2, p. 105
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