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 78
... primary structures are preserved to distinguish it from an igneous rock . Chemical composition may furnish the necessary information as to the origin unless the introduction of igneous materials , for instance granite magma , causes a ...
... primary structures are preserved to distinguish it from an igneous rock . Chemical composition may furnish the necessary information as to the origin unless the introduction of igneous materials , for instance granite magma , causes a ...
Seite 131
... primary nature of flow structures are given ; second , the structures themselves are taken up and illus- trated by examples ; third , the elements of the transition phase are out- lined ; and fourth , the primary and secondary elements ...
... primary nature of flow structures are given ; second , the structures themselves are taken up and illus- trated by examples ; third , the elements of the transition phase are out- lined ; and fourth , the primary and secondary elements ...
Seite 233
... primary origin of that foliation . In the present instance , however , this foliation is believed to be secondary . The following facts attest to its metamorphic origin : 1. In terrains which have not been dynamically metamorphosed ...
... primary origin of that foliation . In the present instance , however , this foliation is believed to be secondary . The following facts attest to its metamorphic origin : 1. In terrains which have not been dynamically metamorphosed ...
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