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 35
... entire group of metamorphosed sediments is invaded by a large series of igneous rocks . They occur everywhere in the crystalline rocks and are part of a larger belt which accompanies the Appalachian Moun- tains along their entire length ...
... entire group of metamorphosed sediments is invaded by a large series of igneous rocks . They occur everywhere in the crystalline rocks and are part of a larger belt which accompanies the Appalachian Moun- tains along their entire length ...
Seite 76
... entire region cross joints can be measured without difficulty . They may be called regional joints , since they can be observed over a large region . If they are the tectonic expression of deformations that have taken place , they ...
... entire region cross joints can be measured without difficulty . They may be called regional joints , since they can be observed over a large region . If they are the tectonic expression of deformations that have taken place , they ...
Seite 147
... entire region and underlies most of the territory south of Rising Sun and Calvert . The material is composed of phyllites , quartzites , and conglomerates which were found south of Darlington and within the inclusions in the ...
... entire region and underlies most of the territory south of Rising Sun and Calvert . The material is composed of phyllites , quartzites , and conglomerates which were found south of Darlington and within the inclusions in the ...
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