Download Guidebook as .pdf (29.1 Mb) - Carolina Geological Society
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Allen J. Dennis and Others<br />
group) of the same age with low initial Sr ratios (.7023-<br />
.7046) in the same structural position <strong>as</strong> the gabbros, <strong>as</strong> well<br />
<strong>as</strong> the pattern of mineral ages in the Inner Piedmont (younging<br />
to the e<strong>as</strong>t towards the central Piedmont suture), the<br />
problem of apparently coeval metamorphism in the Inner<br />
Piedmont and <strong>Carolina</strong> terrane with “cold” rocks in the<br />
hanging wall, Dennis (1991) offered the hypothesis that the<br />
central Piedmont suture formed (or w<strong>as</strong> reactivated) <strong>as</strong> a Siluro-Devonian<br />
normal fault following crustal thickening<br />
accompanying the accretion of <strong>Carolina</strong> to Laurentia. Data<br />
to test this hypothesis, including U-Pb ages of monazite and<br />
construction of P-T-t curves are being collected.<br />
SUNDAY<br />
STOP 9: MASTERS' KILN MARBLE<br />
LOCATION<br />
M<strong>as</strong>ters' Kiln is located off the end of Gilbert Road, off<br />
Poplar Springs Road (S-30-64) southe<strong>as</strong>t of SC 252. (Fig.<br />
17, Ware Shoals E<strong>as</strong>t quadrangle)<br />
M<strong>as</strong>ters' kiln lies hidden about 0.2 mi downhill from the<br />
house along an azimuth direction S5°W. A path through the<br />
thick brush will be marked. The kiln site comprises less than<br />
an acre and now lies in ruin. Although largely overgrown,<br />
this site is being preserved by the owner. Do not collect<br />
samples from the kiln or building. Samples may be taken<br />
from the loose material at the site or judiciously sampled<br />
from the quarry walls.<br />
DESCRIPTION<br />
This stop is divided into several parts: the remains of the<br />
kilns, a building foundation with partially standing walls,<br />
and the overgrown pit. Mineral collecting from scattered<br />
float in the pit is good and permitted. Ple<strong>as</strong>e do not remove<br />
stone from the kilns or building! Further discussion of this<br />
site and other central Piedmont kilns is found in Garihan and<br />
others (1995).<br />
Building foundation<br />
For safety, ple<strong>as</strong>e stay out of the building. Mortar for<br />
blocks in the walls, now crumbling, w<strong>as</strong> made from quarry<br />
materials. The northwest-facing (back) wall remains standing<br />
because it is supported by two cedars. Interestingly, the<br />
walls contain some of the best remaining mineralogic speci-<br />
14
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