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 201
... granite which is exposed a short distance to the south . Microscopically the thin section of this specimen shows a rock of holocrystalline ... Granite Port Deposit Granite Massive Hornblende Granite Hornblende Granite Granite Porphyry.
... granite which is exposed a short distance to the south . Microscopically the thin section of this specimen shows a rock of holocrystalline ... Granite Port Deposit Granite Massive Hornblende Granite Hornblende Granite Granite Porphyry.
Seite 202
... granite , and in the volcanics . The granite dikes , which are distinguishable in the field from granite porphyry by their lighter color and large quartz grains , nearly parallel the schistosity of the wall rock . They are intrusive ...
... granite , and in the volcanics . The granite dikes , which are distinguishable in the field from granite porphyry by their lighter color and large quartz grains , nearly parallel the schistosity of the wall rock . They are intrusive ...
Seite 206
Maryland Geological Survey. GRANITE The character of the granite foliation varies with the rock type . Port Deposit granite , in which the mafic constituents are mostly mica , has a well developed platy foliation with a weaker linear ...
Maryland Geological Survey. GRANITE The character of the granite foliation varies with the rock type . Port Deposit granite , in which the mafic constituents are mostly mica , has a well developed platy foliation with a weaker linear ...
Inhalt
The Application of Recent Structural Methods in the Interpretation | 27 |
General Statement | 49 |
Types and Manner of Producing folds | 55 |
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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 microscope 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