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 112
... dikes Pre - Triassic Diabase dikes Post - Glenarm Pegmatite dikes Serpentine Peridotite Pyroxenite Norite and hyper- sthene gabbro Hornblende no- rite and quartz norite Quartz - horn- blende gabbro Quartz - biotite- hornblende gabbro ...
... dikes Pre - Triassic Diabase dikes Post - Glenarm Pegmatite dikes Serpentine Peridotite Pyroxenite Norite and hyper- sthene gabbro Hornblende no- rite and quartz norite Quartz - horn- blende gabbro Quartz - biotite- hornblende gabbro ...
Seite 160
... DIKES A number of alaskite porphyry dikes up to several feet wide cut the marble and schist between Hollofield and Dorseys Run . Locally they conform to the strike of the country rock . The largest dike cuts across the strike of the ...
... DIKES A number of alaskite porphyry dikes up to several feet wide cut the marble and schist between Hollofield and Dorseys Run . Locally they conform to the strike of the country rock . The largest dike cuts across the strike of the ...
Seite 207
... dikes from a few inches to about 75 feet thick . These dikes are most abundant along the Susque- hanna River and the lower part of Principio Creek but are found also over the whole area . Along the Susquehanna River in Harford County ...
... dikes from a few inches to about 75 feet thick . These dikes are most abundant along the Susque- hanna River and the lower part of Principio Creek but are found also over the whole area . Along the Susquehanna River in Harford County ...
Inhalt
Page | 19 |
Preface | 25 |
Elements of the Rigid Phase | 47 |
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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 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 Ellicott City 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 granite porphyry 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 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