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 116
... abundant as it is in the granodiorite . It is greenish brown or olive green and mostly considerably altered . The first step in alteration is a bleaching to light green biotite then to green chlorite and finally to a colorless chlorite ...
... abundant as it is in the granodiorite . It is greenish brown or olive green and mostly considerably altered . The first step in alteration is a bleaching to light green biotite then to green chlorite and finally to a colorless chlorite ...
Seite 198
... abundant than hornblende . Occasional larger grains of feldspar are crushed and partly granulated . Secondary growths of mag- netite and chlorite are also larger than the average grain size . Hornblende is the most abundant mineral ...
... abundant than hornblende . Occasional larger grains of feldspar are crushed and partly granulated . Secondary growths of mag- netite and chlorite are also larger than the average grain size . Hornblende is the most abundant mineral ...
Seite 220
... abundant as the ultra- basic ones . Of the basic rocks probably nine - tenths are amphibolites . Metagrabbro and gabbro are roughly equally abundant and hornblende gabbro is known from just four occurrences . Of the ultrabasic rocks the ...
... abundant as the ultra- basic ones . Of the basic rocks probably nine - tenths are amphibolites . Metagrabbro and gabbro are roughly equally abundant and hornblende gabbro is known from just four occurrences . Of the ultrabasic rocks the ...
Inhalt
Page | 19 |
Preface | 25 |
Elements of the Rigid Phase | 47 |
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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 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