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 22
... Bridge , Delaware , before the re- cent dredging operations .. Fig . 2. The canal east of Summit Bridge , Delaware , during the recent dredging operations . XLIII . Fig . 1. - The Pleistocene overlying the Raritan formation 1200 feet ...
... Bridge , Delaware , before the re- cent dredging operations .. Fig . 2. The canal east of Summit Bridge , Delaware , during the recent dredging operations . XLIII . Fig . 1. - The Pleistocene overlying the Raritan formation 1200 feet ...
Seite 141
... Bridge quarry two types of granodiorite are fully exposed but their contacts are complicated by dikes and shear zones which make an accurate interpretation impossible . Other contacts were not observed . Most of the earlier workers ...
... Bridge quarry two types of granodiorite are fully exposed but their contacts are complicated by dikes and shear zones which make an accurate interpretation impossible . Other contacts were not observed . Most of the earlier workers ...
Seite 269
... Bridge , at station 57 + 480 N. E Section VII , 50 feet east of Summit Bridge ,. FIG . 2. The Englishtown - Marshalltown contact 100 feet west of the Philadelphia , Baltimore , and Washington Railroad bridge , station 45 + 450 S ...
... Bridge , at station 57 + 480 N. E Section VII , 50 feet east of Summit Bridge ,. FIG . 2. The Englishtown - Marshalltown contact 100 feet west of the Philadelphia , Baltimore , and Washington Railroad bridge , station 45 + 450 S ...
Inhalt
Page | 19 |
Preface | 25 |
Primary Elements in Igneous Rocks of the Piedmont | 37 |
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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