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 166
... ( Plate XXXII sections 1 and 2 ) . In the western portion of the dome banding maintains its east - west trend up to the Ruxton fault where it is truncated at a high angle ( Plate XXIX and Plate XXXII section 3 ) . Along the north and ...
... ( Plate XXXII sections 1 and 2 ) . In the western portion of the dome banding maintains its east - west trend up to the Ruxton fault where it is truncated at a high angle ( Plate XXIX and Plate XXXII section 3 ) . Along the north and ...
Seite 168
... ( Plate XXXI ) . Throughout the western two - thirds of the Phoenix dome linear struc- tures pitch gently to moderately westward ( 10 to 40 degrees ) . Within the eastern one - third of the dome the axes plunge gently eastward . This ...
... ( Plate XXXI ) . Throughout the western two - thirds of the Phoenix dome linear struc- tures pitch gently to moderately westward ( 10 to 40 degrees ) . Within the eastern one - third of the dome the axes plunge gently eastward . This ...
Seite 169
... ( Plate XXIX ) bends around from an east - west trend in the southern portion of the dome to northwest in its northern portion . At the northeastern end the gneiss forms a sharp little nose which plunges gently under the Setters formation ...
... ( Plate XXIX ) bends around from an east - west trend in the southern portion of the dome to northwest in its northern portion . At the northeastern end the gneiss forms a sharp little nose which plunges gently under the Setters formation ...
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