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 53
... axis ( pl . VII , fig . 2 ) . Fractures occur as tension fractures due to the bending of the thick strata . The axial plane comprises all the axes in the different strata . On the surface of the limbs of the fold streaks and grooves are ...
... axis ( pl . VII , fig . 2 ) . Fractures occur as tension fractures due to the bending of the thick strata . The axial plane comprises all the axes in the different strata . On the surface of the limbs of the fold streaks and grooves are ...
Seite 54
... axis of folding B. Axial the axis parallel to the coordinate b , perpendicular herewith are a ( hori- zontal ) and c ( vertical ) . The ac plane is then perpendicular to the axis b and can be used in all references to the deformation ...
... axis of folding B. Axial the axis parallel to the coordinate b , perpendicular herewith are a ( hori- zontal ) and c ( vertical ) . The ac plane is then perpendicular to the axis b and can be used in all references to the deformation ...
Seite 59
... axes . This is much easier than to measure larger folds , because the chances of finding exposures of small folds are infinitely greater than for larger ones . As a rule , the axis of a fold will not remain horizontal for a long ...
... axes . This is much easier than to measure larger folds , because the chances of finding exposures of small folds are infinitely greater than for larger ones . As a rule , the axis of a fold will not remain horizontal for a long ...
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