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 43
... directions within the planes to two . This combination is thus of great value wherever the relation can be ascer- tained . Deviations of linear structure from the direction of the planar ones are rare and do not occur in the Piedmont ...
... directions within the planes to two . This combination is thus of great value wherever the relation can be ascer- tained . Deviations of linear structure from the direction of the planar ones are rare and do not occur in the Piedmont ...
Seite 73
... directions . They always occur in large numbers in each direction as subparallel planes . If one direction of joints is prominent this direction may be the direction of a set of fractures . If two conjugate fracture directions are ...
... directions . They always occur in large numbers in each direction as subparallel planes . If one direction of joints is prominent this direction may be the direction of a set of fractures . If two conjugate fracture directions are ...
Seite 95
... direction is to be shown a maximum may be drawn in a curve on which the directions have been platted . Since directions can vary 360 degrees around the compass it seems more adequate to draw a curve around a center in such a way that ...
... direction is to be shown a maximum may be drawn in a curve on which the directions have been platted . Since directions can vary 360 degrees around the compass it seems more adequate to draw a curve around a center in such a way that ...
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