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 268
... contain- ing slightly more 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 ...
... contain- ing slightly more 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 ...
Seite 268
... contain- ing slightly more 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 ...
... contain- ing slightly more 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 ...
Seite 273
... containing irregular , flat- tened pellets of clay and small , irregular , subangular quartz peb- bles ; contains molds of Unicardium umbonata ( Whitfield ) , Trigonia , Pecten , Turritella , and other forms including a new genus ...
... containing irregular , flat- tened pellets of clay and small , irregular , subangular quartz peb- bles ; contains molds of Unicardium umbonata ( Whitfield ) , Trigonia , Pecten , Turritella , and other forms including a new genus ...
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