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 30
... present some of the methods used in the investigation of the crystalline rocks , the results of which are presented in this volume . Much highly valuable and necessary work has already been done . The present structural investigation is ...
... present some of the methods used in the investigation of the crystalline rocks , the results of which are presented in this volume . Much highly valuable and necessary work has already been done . The present structural investigation is ...
Seite 121
... present . It is closely asso- ciated with the micas . Apatite and epidote are present in small amounts . Chlorite schist Megascopically the rock is grayish green , fine grained , schistose , but with weak flow cleavage . Microscopically ...
... present . It is closely asso- ciated with the micas . Apatite and epidote are present in small amounts . Chlorite schist Megascopically the rock is grayish green , fine grained , schistose , but with weak flow cleavage . Microscopically ...
Seite 262
... present within a few miles south of the canal , under cover of surfi- cial Pleistocene deposits , but it is not included in the present investigation . THE MOUNT LAUREL SAND NAME , AUTHOR , AND TYPE LOCALITY The Mount Laurel sand was so ...
... present within a few miles south of the canal , under cover of surfi- cial Pleistocene deposits , but it is not included in the present investigation . THE MOUNT LAUREL SAND NAME , AUTHOR , AND TYPE LOCALITY The Mount Laurel sand was so ...
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