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Silk Hope zone, Chestnut Hill Quarry, Chatham Co., North Carolina, USA

Ref: Stoddard, Edward F. (2004),Petrographic Characteristics Of Rock Samples From Selected Archaeological Quarry Sites, Central North Carolina Piedmont, Paper No.24-5, in: Steponaitis, Vinca P., Jeffrey D. Irwin, Theresa E. McReynolds, Christopher Moore (2006),Stone Quarries and Sourcing in the Carolina Slate Belt. Research Report No.25, Univeristy of North Carolina, Chapel Hill (www.ria.unc.edu/Publications/Res_reports.html): 51, 57.

A paleo-quarry in rhyodacite and dacite comprised of purple, dark gray, or black heterolithic volcanic breccia, tuff breccia, lapilli tuff, and crystal-lithic tuff containing abundant intermediate to mafic pyroclastic fragments as well as more abundant felsic ones. Phenocrysts are plagioclase plus local K-feldspar. Amygdules of quartz plus epidote are also present. (Stoddard in Steponaitis et al).





Mineral List:
Epidote
Piemontite
Titanite


3 entries listed. 3 valid minerals.

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Copyright © Jolyon Ralph and Ida Chau 1993-2009. Jobs in North Carolina, USA Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 23rd Nov 2009 17:28:38