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 195
... feldspar and epidote which have a tendency toward a concentric structure with the feldspar in the middle . The epidote shows a radiating growth inward from the borders of the amyg- dules . Microscopically the material is holocrystalline ...
... feldspar and epidote which have a tendency toward a concentric structure with the feldspar in the middle . The epidote shows a radiating growth inward from the borders of the amyg- dules . Microscopically the material is holocrystalline ...
Seite 198
... feldspar makes up most of the remainder of the rock . The grains are about 0.1 mm . but longer than wide and have their long dimension parallel to the foliation . The feldspar was determined as oligoclase , about Ab , Ang . Quartz and ...
... feldspar makes up most of the remainder of the rock . The grains are about 0.1 mm . but longer than wide and have their long dimension parallel to the foliation . The feldspar was determined as oligoclase , about Ab , Ang . Quartz and ...
Seite 198
... feldspar makes up most of the remainder of the rock . The grains are about 0.1 mm . but longer than wide and have their long dimension parallel to the foliation . The feldspar was determined as oligoclase , about Ab , Ang . Quartz and ...
... feldspar makes up most of the remainder of the rock . The grains are about 0.1 mm . but longer than wide and have their long dimension parallel to the foliation . The feldspar was determined as oligoclase , about Ab , Ang . Quartz and ...
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