Report, Band 13John Hopkins Press, 1937 CONTENTS.--Vol. I (1897)--Vol. II (1898)--Vol. III (1899)--Vol. IV (1902)--Vol. V (1905)--Vol. VI (1906)--Vol. VII (1908)--Vol. VIII (1909)--Vol. IX (1911)--Vol. X (1918)--Vol. XI (1922)--Vol. XII (1928)--Vol. XIII (1937)--Vol. XIV (1941) |
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Seite 23
... quartzite . 68 888 71 30 90 90 90 90 90 00 90 385 90 96 15. The same joints shown in a projection of their poles in ... quartzite . Quarry one - quarter mile east of Tobin . 177 24. Joints in quartzite . Waters quarry . 177 25. Joints in ...
... quartzite . 68 888 71 30 90 90 90 90 90 00 90 385 90 96 15. The same joints shown in a projection of their poles in ... quartzite . Quarry one - quarter mile east of Tobin . 177 24. Joints in quartzite . Waters quarry . 177 25. Joints in ...
Seite 155
... quartzite or mica gneiss member , and an upper mica schist member . This threefold division can not always be recognized . Quartzite may dominate the formation in some localities while mica schist may prevail in others . Again , the ...
... quartzite or mica gneiss member , and an upper mica schist member . This threefold division can not always be recognized . Quartzite may dominate the formation in some localities while mica schist may prevail in others . Again , the ...
Seite 156
... quartzite fragments were found several hundred yards north of Putty Hill Road , 1.4 mile west of the Harford Road ... quartzite member is poorly developed except at the north end of the dome . The larger portion of the formation is mica ...
... quartzite fragments were found several hundred yards north of Putty Hill Road , 1.4 mile west of the Harford Road ... quartzite member is poorly developed except at the north end of the dome . The larger portion of the formation is mica ...
Inhalt
Page | 19 |
Preface | 25 |
Primary Elements in Igneous Rocks of the Piedmont | 37 |
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Häufige Begriffe und Wortgruppen
abundant amphibolite amygdules anticlines aplite axes of folding axis Baltimore gabbro Baltimore gneiss banding bedding biotite Bridge Chattolanee dome Chesapeake chlorite cleavage planes Conowingo Dam County Creek cross joints Crosswicks clay crystals deformation Delaware Deposit granodiorite complex diagrams dikes direction east Englishtown Englishtown sand epidote exposures fault feet feldspar flow cleavage flow lines flow structures foliation fossils fracture cleavage gabbro geologic Glenarm Glenarm Series grains granite porphyry granodiorite hornblende igneous rocks inclusions intrusive Jersey lamprophyre linear structures localities marble Marshalltown Marshalltown formation Maryland massive metamorphism metamorphosed mile minerals Mount Laurel Mount Laurel sand northeast occur orientation parallel pegmatite Piedmont planar Plate pluton Port Deposit Port Deposit granodiorite primary quarry quartz diorite quartzite recrystallization region relation schist schistosity sediments Setters formation shear specimen strike Susquehanna River syncline Towson dome transect unconformity Upper Cretaceous volcanics wall rock Wissahickon schist Woodstock dome