![Metamorphic rocks / Wissahickon Formation / Gneiss / Amphibolite / Granulite / Wissahickon Creek / Schist / Hornblende / Gabbro / Petrology / Geology / Metamorphic petrology Metamorphic rocks / Wissahickon Formation / Gneiss / Amphibolite / Granulite / Wissahickon Creek / Schist / Hornblende / Gabbro / Petrology / Geology / Metamorphic petrology](https://www.pdfsearch.io/img/6a2b6f41d0cb145c02b871db9394900f.jpg)
| Document Date: 2013-07-07 16:28:28 Open Document File Size: 400,00 KBShare Result on Facebook
City Sykesville / Stewartstown / / Company Coleman / / Event Environmental Issue / / Facility Baltimore Gabbro Complex / Port Deposit Gneiss / / NaturalFeature Deer Creek / / Organization Xsc Xu / Legend Unit / Wissahickon Formation / Wissahickon Fm / Boulder Gneiss / / Person James Run Gneiss Metagabbro / Baltimore Gneiss Upper Pelitic Schist / James River Gneiss / Gneiss (jg) Muscovite Quartz / Quartz Diortie Gneiss / Undifferentiated (wu) Port Deposit Gneiss / Amphibolite (mgb) Sams Creek Metabasalt / Gabbro Lower Pelitic Schist / Monzonite Gneiss / Schist (Wissahickon) Metagraywacks / / ProvinceOrState Maryland / York County / Piedmont / Harford County / Pennsylvania / Harford / / Region Mid-Atlantic / / Technology fracturing / /
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