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 53
... folding and are further elaborated below . The surface topography shows the influence of folding in that more resistant beds form ridges between valleys underlain by softer rocks . AXES OF FOLDING The most important element is the axis of a ...
... folding and are further elaborated below . The surface topography shows the influence of folding in that more resistant beds form ridges between valleys underlain by softer rocks . AXES OF FOLDING The most important element is the axis of a ...
Seite 55
... folding or for structures like stretching ( p . 52 ) , or they have been interpreted to be the intersections between cleavage and bedding . Great ... fold . MARYLAND GEOLOGICAL SURVEY 55 Types and Manner of Producing folds Folding by bending.
... folding or for structures like stretching ( p . 52 ) , or they have been interpreted to be the intersections between cleavage and bedding . Great ... fold . MARYLAND GEOLOGICAL SURVEY 55 Types and Manner of Producing folds Folding by bending.
Seite 72
... folding ( fig . 1 , pl . VII ) . If axes of folding can not be observed these lineations are most valuable in ascertaining their direction . It is , however , essential to determine first the relation between axes of folding ...
... folding ( fig . 1 , pl . VII ) . If axes of folding can not be observed these lineations are most valuable in ascertaining their direction . It is , however , essential to determine first the relation between axes of folding ...
Inhalt
Page | 19 |
Preface | 25 |
Primary Elements in Igneous Rocks of the Piedmont | 37 |
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Häufige Begriffe und Wortgruppen
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