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 115
... Epidote , muscovite , chlorite and calcite are secondary . Apparently a very small amount of the muscovite is primary . The quartz in certain localities shows undulatory extinction in euhedral crystals . In other places it is granulated ...
... Epidote , muscovite , chlorite and calcite are secondary . Apparently a very small amount of the muscovite is primary . The quartz in certain localities shows undulatory extinction in euhedral crystals . In other places it is granulated ...
Seite 195
... epidote shows a radiating growth inward from the borders of the amyg- dules . Microscopically the material is ... epidote . The epidote has a weak pleochroism . It shows a radiating structure growing toward the center of the amygdule ...
... epidote shows a radiating growth inward from the borders of the amyg- dules . Microscopically the material is ... epidote . The epidote has a weak pleochroism . It shows a radiating structure growing toward the center of the amygdule ...
Seite 196
... epidote with occasional hornblende and magnetite . The hornblende of the groundmass is usually segregated in bands alternating with bands of quartz and feldspar , giving the rock the appearance of a flow banded lava with the flow planes ...
... epidote with occasional hornblende and magnetite . The hornblende of the groundmass is usually segregated in bands alternating with bands of quartz and feldspar , giving the rock the appearance of a flow banded lava with the flow planes ...
Inhalt
The Application of Recent Structural Methods in the Interpretation | 27 |
General Statement | 49 |
Types and Manner of Producing folds | 55 |
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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 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 Upper Cretaceous volcanics wall rock Wissahickon schist Woodstock dome