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 41
... indicate the direction of flow of the magma and all its portions and then represent lines of flowage ; or , the flow lines may only indirectly indicate the direction of the advance of the magma . In the latter case they may form arches ...
... indicate the direction of flow of the magma and all its portions and then represent lines of flowage ; or , the flow lines may only indirectly indicate the direction of the advance of the magma . In the latter case they may form arches ...
Seite 73
... indicate the difficulties which arise in recog- nizing the character of these structure planes . Some observer feels ... indicates the beginning of a new phase between flowage structures and leads up to the fracturing of a consolidated ...
... indicate the difficulties which arise in recog- nizing the character of these structure planes . Some observer feels ... indicates the beginning of a new phase between flowage structures and leads up to the fracturing of a consolidated ...
Seite 235
... indicated by the over- turned folds in the Baltimore gneiss to the southeast ( Part III ) and toward the gabbro mass . During this period of deformation the secondary struc- tures may have been produced . Primary structures indicate ...
... indicated by the over- turned folds in the Baltimore gneiss to the southeast ( Part III ) and toward the gabbro mass . During this period of deformation the secondary struc- tures may have been produced . Primary structures indicate ...
Inhalt
Preface | 25 |
Economic Significance of Detailed Structural Investigations | 31 |
Structures in Igneous Rocks | 36 |
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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 canal 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 volcanics wall rock Wissahickon schist Woodstock dome