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 226
... schistosity of the amphibolites ap- proximately at an angle of 90 degrees . These cross joints are smooth , plane , subparallel , and persistent in their direction ... Schistosity in Amphibolite Schists Refracted Joints Schistose Zones.
... schistosity of the amphibolites ap- proximately at an angle of 90 degrees . These cross joints are smooth , plane , subparallel , and persistent in their direction ... Schistosity in Amphibolite Schists Refracted Joints Schistose Zones.
Seite 227
... schistosity . The attitude of schistosity is generally uniform on a small scale . However , in places it is flexed . These flexures consist in small zones perhaps an inch wide and a foot long . A relatively intense schistosity is ...
... schistosity . The attitude of schistosity is generally uniform on a small scale . However , in places it is flexed . These flexures consist in small zones perhaps an inch wide and a foot long . A relatively intense schistosity is ...
Seite 234
... schistosity is later than bedding or gneissic banding . Since banding in the gabbro is also folded , it seems very ... schistosity and 234 GABBRO COMPLEX AT BALTIMORE Interpretation of Planar Schistosity Interpretation of Linear Schistosity.
... schistosity is later than bedding or gneissic banding . Since banding in the gabbro is also folded , it seems very ... schistosity and 234 GABBRO COMPLEX AT BALTIMORE Interpretation of Planar Schistosity Interpretation of Linear Schistosity.
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