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 115
... hornblende , titanite , tourmaline , zircon , and probably magnetite and gar- net . The last two may be secondary ... HORNBLENDE - BIOTITE GRANODIORITE The fact that hornblende becomes an essential constituent in part of the hornblende ...
... hornblende , titanite , tourmaline , zircon , and probably magnetite and gar- net . The last two may be secondary ... HORNBLENDE - BIOTITE GRANODIORITE The fact that hornblende becomes an essential constituent in part of the hornblende ...
Seite 116
... HORNBLENDE AND MASSIVE TYPES The hornblende and massive granodiorites were previously considered as equivalent to the hornblende - biotite type , chiefly because of their hornblende content . A closer study shows that they differ from ...
... HORNBLENDE AND MASSIVE TYPES The hornblende and massive granodiorites were previously considered as equivalent to the hornblende - biotite type , chiefly because of their hornblende content . A closer study shows that they differ from ...
Seite 134
... hornblende type . Here they consist of streaks and layers relatively rich in hornblende associated with streaks poor in hornblende . The latter are lighter since the essential constituents in addition to hornblende are quartz and ...
... hornblende type . Here they consist of streaks and layers relatively rich in hornblende associated with streaks poor in hornblende . The latter are lighter since the essential constituents in addition to hornblende are quartz and ...
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