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 162
... UNCONFORMITY BETWEEN THE BALTIMORE GNEISS AND THE SETTERS FORMATION An unconformity between the Baltimore gneiss and Setters quartzite , the lowest formation of the Glenarm Series , has been recognized by all who have studied the ...
... UNCONFORMITY BETWEEN THE BALTIMORE GNEISS AND THE SETTERS FORMATION An unconformity between the Baltimore gneiss and Setters quartzite , the lowest formation of the Glenarm Series , has been recognized by all who have studied the ...
Seite 165
... unconformity . The gneiss surface and the Setters formation seem to represent a twofold unconformity ; that is , stratigraphic as well as struc- tural and therefore a plane of great tectonic significance . A contour line map was drawn ...
... unconformity . The gneiss surface and the Setters formation seem to represent a twofold unconformity ; that is , stratigraphic as well as struc- tural and therefore a plane of great tectonic significance . A contour line map was drawn ...
Seite 266
... Unconformity . Magothy formation : Black , sticky , tough clay , typical of the Magothy and appearing in the section ... UNCONFORMITY UNCONFORMITY Marshalltown formation Englishtown sand Crosswicks clay FIG . 35. Section accompanying ...
... Unconformity . Magothy formation : Black , sticky , tough clay , typical of the Magothy and appearing in the section ... UNCONFORMITY UNCONFORMITY Marshalltown formation Englishtown sand Crosswicks clay FIG . 35. Section accompanying ...
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