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 20
... mile south of Lapidum , looking down on cross joints . White scale equals 6 inches .. 144 142 Fig . 2. Quartz dike parallel to bedding , both at an angle to foliation and displaced along foliation plane in schist one mile south of ...
... mile south of Lapidum , looking down on cross joints . White scale equals 6 inches .. 144 142 Fig . 2. Quartz dike parallel to bedding , both at an angle to foliation and displaced along foliation plane in schist one mile south of ...
Seite 22
... mile north of Union Dam .... XXXVII . Fig . 1a . Specimen of chloritized amphibolite . Patapsco River southeast of Hollofield .. Fig . 1b . - Honeycomb ironstone with residual serpentine . Cedar Branch . Natural size ... Fig . 2 ...
... mile north of Union Dam .... XXXVII . Fig . 1a . Specimen of chloritized amphibolite . Patapsco River southeast of Hollofield .. Fig . 1b . - Honeycomb ironstone with residual serpentine . Cedar Branch . Natural size ... Fig . 2 ...
Seite 142
... mile west , one - half mile south ) , and along Big Elk Creek one and one - quarter miles northwest of Appleton . In all cases the contacts are sharp and the rocks preserve their identity with no apparent exchange of material . OUTSIDE ...
... mile west , one - half mile south ) , and along Big Elk Creek one and one - quarter miles northwest of Appleton . In all cases the contacts are sharp and the rocks preserve their identity with no apparent exchange of material . OUTSIDE ...
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