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 58
... types means therefore forcing nature into conditions that do not exist . Bent folds and shear folds may be superimposed and shear folds and flow folds grade into each other . Clean - cut types are very rare and a consideration of ...
... types means therefore forcing nature into conditions that do not exist . Bent folds and shear folds may be superimposed and shear folds and flow folds grade into each other . Clean - cut types are very rare and a consideration of ...
Seite 113
... types . The massive type appears to be younger than the horn- blende granodiorite because it is almost devoid of flow structures . It has frequently been observed that the structureless components of a composite mass are the youngest ...
... types . The massive type appears to be younger than the horn- blende granodiorite because it is almost devoid of flow structures . It has frequently been observed that the structureless components of a composite mass are the youngest ...
Seite 114
... types : GRIMSLEY ( 1894 ) BASCOM ( 1902 ) Port Deposit type- Biotite granite Rowlandsville type HERSHEY ( 1936 ) Massive granodiorite Port Deposit granodiorite or biotite granodiorite → Hornblende - biotite and quartz diorite ...
... types : GRIMSLEY ( 1894 ) BASCOM ( 1902 ) Port Deposit type- Biotite granite Rowlandsville type HERSHEY ( 1936 ) Massive granodiorite Port Deposit granodiorite or biotite granodiorite → Hornblende - biotite and quartz diorite ...
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