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
... 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 which bend on to the contacts and flatten out toward the center , indicating a ...
... 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 which bend on to the contacts and flatten out toward the center , indicating a ...
Seite 47
... lines . They seem to form after tension in the direction of the flow lines could not be relieved by magmatic flow and fracture became the only answer to its relief . Such tension seems to vary and in areas where it has been greatest flow ...
... lines . They seem to form after tension in the direction of the flow lines could not be relieved by magmatic flow and fracture became the only answer to its relief . Such tension seems to vary and in areas where it has been greatest flow ...
Seite 85
... Lines are platted as through the center of the sphere and perforating its surface at one point . This point is projected into the net and thus locating the line definitely . Planes are shown with their poles ; that is , with a line ...
... Lines are platted as through the center of the sphere and perforating its surface at one point . This point is projected into the net and thus locating the line definitely . Planes are shown with their poles ; that is , with a line ...
Inhalt
Page | 19 |
Preface | 25 |
Primary Elements in Igneous Rocks of the Piedmont | 37 |
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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 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