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 240
... Delaware Canal is a Government owned sea - level ship canal connecting the Chesapeake Bay with the Delaware River . It is 14 miles long and extends from Chesapeake City , Maryland , situated on Back Creek , a tributary of Elk River ...
... Delaware Canal is a Government owned sea - level ship canal connecting the Chesapeake Bay with the Delaware River . It is 14 miles long and extends from Chesapeake City , Maryland , situated on Back Creek , a tributary of Elk River ...
Seite 241
... Delaware Canal " . The earlier collections , beginning with those recorded by Morton in 1829 were small and sporadic . Systematic collections were made by Dr. Julia Gardner in 1915 , when no excavations were being made and when the ...
... Delaware Canal " . The earlier collections , beginning with those recorded by Morton in 1829 were small and sporadic . Systematic collections were made by Dr. Julia Gardner in 1915 , when no excavations were being made and when the ...
Seite 275
... DELAWARE CANAL Scale in feet 5000 о 3000 10,000 Creek STATE LINE DELAWARE KIRKWOOD CHESAPEAKE CITY CHESAPEAKE Sec.Y Sec . B- & Sec . VI DELAWARE ST . GEORGES Sec . IX Sta . 77 600 BETHEL Sec.IY NORTH Sec . D " SUMMIT CANAL FIG . 37 ...
... DELAWARE CANAL Scale in feet 5000 о 3000 10,000 Creek STATE LINE DELAWARE KIRKWOOD CHESAPEAKE CITY CHESAPEAKE Sec.Y Sec . B- & Sec . VI DELAWARE ST . GEORGES Sec . IX Sta . 77 600 BETHEL Sec.IY NORTH Sec . D " SUMMIT CANAL FIG . 37 ...
Inhalt
Preface | 25 |
Economic Significance of Detailed Structural Investigations | 31 |
Structures in Igneous Rocks | 36 |
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abundant amphibolite amygdules anticlines aplite axes of folding axis Baltimore gabbro Baltimore gneiss banding bedding biotite Bridge canal 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 microscope 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 volcanics wall rock Wissahickon schist Woodstock dome