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 252
... clay is exposed in the banks of the Chesapeake and Delaware Canal for a distance of 4 3/16 miles . The clay , in contact with the underlying Magothy formation , first appears in the canal area at a point 2400 feet east of Bethel ( site ...
... clay is exposed in the banks of the Chesapeake and Delaware Canal for a distance of 4 3/16 miles . The clay , in contact with the underlying Magothy formation , first appears in the canal area at a point 2400 feet east of Bethel ( site ...
Seite 268
... clay ; the base of the formation contains thin iron cemented layers about inch in thickness ; this formation is here , as everywhere , literally packed with tubes of Halymenites major Lesquereux . Crosswicks clay : 20 6 11 1 Light ...
... clay ; the base of the formation contains thin iron cemented layers about inch in thickness ; this formation is here , as everywhere , literally packed with tubes of Halymenites major Lesquereux . Crosswicks clay : 20 6 11 1 Light ...
Seite 268
... clay ; the base of the formation contains thin iron cemented layers about inch in thickness ; this formation is here , as everywhere , literally packed with tubes of Halymenites major Lesquereux . Crosswicks clay : 20 6 11 1 Light ...
... clay ; the base of the formation contains thin iron cemented layers about inch in thickness ; this formation is here , as everywhere , literally packed with tubes of Halymenites major Lesquereux . Crosswicks clay : 20 6 11 1 Light ...
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