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 39
... complex . These bound- aries may be sharp or gradational . Port Deposit granodiorite complex between granodiorite and quartz- diorite ( p . 142 ) ; Baltimore gabbro complex ( p . 227 ) . 2. External contacts between igneous complex and ...
... complex . These bound- aries may be sharp or gradational . Port Deposit granodiorite complex between granodiorite and quartz- diorite ( p . 142 ) ; Baltimore gabbro complex ( p . 227 ) . 2. External contacts between igneous complex and ...
Seite 231
... complex . It dips under the complex at Bare Hills and along the southeastern contact . The trend within the complex is northeast with a steep dip generally to the northwest . Secondary planar schistosity embracing amphibole foliation ...
... complex . It dips under the complex at Bare Hills and along the southeastern contact . The trend within the complex is northeast with a steep dip generally to the northwest . Secondary planar schistosity embracing amphibole foliation ...
Seite 232
... complex . Hence the gabbro is conformable . The strike of the horizontal projection of linear elements is sometimes parallel and sometimes perpendicular to the contact . It is decidedly away from the contact south of Bare Hills and ...
... complex . Hence the gabbro is conformable . The strike of the horizontal projection of linear elements is sometimes parallel and sometimes perpendicular to the contact . It is decidedly away from the contact south of Bare Hills and ...
Inhalt
Preface | 25 |
Economic Significance of Detailed Structural Investigations | 31 |
Structures in Igneous Rocks | 36 |
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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