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 116
... appears to be primary but most of it is secondary after feldspar . Magnetite , always closely associated with biotite or ... appear to be slightly different from the hornblende - biotite type : there is evidence of somewhat more crushing ...
... appears to be primary but most of it is secondary after feldspar . Magnetite , always closely associated with biotite or ... appear to be slightly different from the hornblende - biotite type : there is evidence of somewhat more crushing ...
Seite 116
... appear to be two entirely differ- ent rocks . One is dark colored but the other is light and contains many inclusions of green schistose material . Their appearance , however , is similar in thin sections . DIKES The most widespread and ...
... appear to be two entirely differ- ent rocks . One is dark colored but the other is light and contains many inclusions of green schistose material . Their appearance , however , is similar in thin sections . DIKES The most widespread and ...
Seite 160
... appear to be locally conformable . THE DIABASE DIKES A belt of one or more diabase dikes crosses the western part of the area in a north to northeast direction ( Plates XXX ) . It follows the south- eastern flank of the Woodstock dome ...
... appear to be locally conformable . THE DIABASE DIKES A belt of one or more diabase dikes crosses the western part of the area in a north to northeast direction ( Plates XXX ) . It follows the south- eastern flank of the Woodstock dome ...
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