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 126
... metamorphism . Metamorphism is also effected in some of the inclusions by what appears to be a " soaking in " of granitic juices . The schists are most vulnerable . Juices enter most readily along the flow cleavage planes and form long ...
... metamorphism . Metamorphism is also effected in some of the inclusions by what appears to be a " soaking in " of granitic juices . The schists are most vulnerable . Juices enter most readily along the flow cleavage planes and form long ...
Seite 132
... metamorphism has affected some of the inclusions but no effect of regional dynamic metamor- phism was recognized . Flow structures in the granodiorite are always conformable with their contacts . Similar structures in schist , gabbro ...
... metamorphism has affected some of the inclusions but no effect of regional dynamic metamor- phism was recognized . Flow structures in the granodiorite are always conformable with their contacts . Similar structures in schist , gabbro ...
Seite 183
... metamorphism , having been produced by dynamic metamorphism modified by contact action of igneous injection at considerable depth . Knopf and Jonas ( 64 ) point out that the high degree of metamorphism of the gneiss shows no evidence ...
... metamorphism , having been produced by dynamic metamorphism modified by contact action of igneous injection at considerable depth . Knopf and Jonas ( 64 ) point out that the high degree of metamorphism of the gneiss shows no evidence ...
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