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 166
... Later movements and deformations have modified and altered the position of these primary structures . The present arrange- ment permits a reconstruction of their original attitude . The later and superposed deformation , which also ...
... Later movements and deformations have modified and altered the position of these primary structures . The present arrange- ment permits a reconstruction of their original attitude . The later and superposed deformation , which also ...
Seite 204
... later schistosity . The shape of both amygdules and inclu- sions is , as a rule , lenticular but without an excessive length - width ratio ; an indication that flow was not strong in the primary lava . There has been little stretching ...
... later schistosity . The shape of both amygdules and inclu- sions is , as a rule , lenticular but without an excessive length - width ratio ; an indication that flow was not strong in the primary lava . There has been little stretching ...
Seite 233
... later cleavage are not always mutually paral- lel . Though rarely , they differ in strike and dip and the cleavage as a rule is steeper than the banding . Exposures have been found in which the cleavage transects the bands . 4. The ...
... later cleavage are not always mutually paral- lel . Though rarely , they differ in strike and dip and the cleavage as a rule is steeper than the banding . Exposures have been found in which the cleavage transects the bands . 4. The ...
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