Hardyston Quartzite

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1	_______UPPER PERKIOMEN CREEK WATERSHED CONSERVATION PLAN_______ Geology The southern half of the Upper Perkiomen Creek watershed is situated within the Newark Basin portion of Triassic Lowland Province, a broad basin wi Add to Reading List Source URL: www.upwcwatershed.org Language: English - Date: 2005-02-12 14:51:30 Geology of Pennsylvania Geology of New Jersey Metamorphic petrology Metamorphic rock Hornfels Ringing rocks Perkiomen Creek Diabase Hardyston Quartzite Petrology Geography of Pennsylvania Igneous petrology
2	Changes in Stratigraphic Nomenclature by the U.S. Geological Survey, 1972 By GEORGE V. COHEE and WILNA B. WRIGHT Add to Reading List Source URL: ngmdb.usgs.gov Language: English - Date: 2014-01-18 09:40:04 Geology of New Jersey Geology of Pennsylvania Hardyston Quartzite Geology of the Iberian Peninsula Stratigraphy Geology Geology of Spain