Geological Magazine, Volume 6; Volume 56Henry Woodward Cambridge University Press, 1919 - Geology |
From inside the book
Results 1-5 of 100
Page 20
... probably smaller on the whole than the compression , may be comparable in amount . Displacements in a vertical direction have also been well determined , along defined surfaces of fracture the displacement of opposite sides of faults ...
... probably smaller on the whole than the compression , may be comparable in amount . Displacements in a vertical direction have also been well determined , along defined surfaces of fracture the displacement of opposite sides of faults ...
Page 21
... probably also till a further advance is made in our knowledge of the physical properties of the material under conditions such as exist , even at the comparatively small depths involved . Leaving this question aside , it is clear that ...
... probably also till a further advance is made in our knowledge of the physical properties of the material under conditions such as exist , even at the comparatively small depths involved . Leaving this question aside , it is clear that ...
Page 33
... probably " directly related to the physical conditions of habitat " , and the " stability of organic forms is in direct ratio to the stability of the conditions of existence " . As mutation was so continuous during Cretaceous times ...
... probably " directly related to the physical conditions of habitat " , and the " stability of organic forms is in direct ratio to the stability of the conditions of existence " . As mutation was so continuous during Cretaceous times ...
Page 35
... probably older than the uppermost Ashgill Shales , for the author separates from the former a zone of Climacograptus scalaris , which , like the highest Ashgill Shales , is succeeded by the beds of the zone of Diplograptus acuminatus ...
... probably older than the uppermost Ashgill Shales , for the author separates from the former a zone of Climacograptus scalaris , which , like the highest Ashgill Shales , is succeeded by the beds of the zone of Diplograptus acuminatus ...
Page 59
... probably did not exist and the ice advanced over the area now occupied by the North Sea . The opening of the straits at a later period much restricted the advance of subsequent ice - sheets . I have suggested that the Glacial Period was ...
... probably did not exist and the ice advanced over the area now occupied by the North Sea . The opening of the straits at a later period much restricted the advance of subsequent ice - sheets . I have suggested that the Glacial Period was ...
Other editions - View all
Common terms and phrases
abundant Adorals Ammonites Ammonoids anhydrite appear bands beds Brachiopods breccias British calcareous calcite Cambrian Carboniferous cent Chalk character clay coal Coal-measures connexion contain Conulus Corwen Cretaceous crystals deposits described Devonian diabase district dolomitic dorsal Durham earthquake epidiorite evidence fault fauna feet felspar flint formation fossils fragments gabbro genera genus Geol GEOLOGICAL MAGAZINE Geological Survey geologists glacial gneiss grains granite gravels hornblende hornfels igneous rocks intrusion ironstone Journ later Lower magma Magnesian Limestone material Megacystis miles mineral Museum North occur oolitic origin outcrop paper periproct peristome Permian plates posterior potash present probably Pyrina pyroxene quarry quartz reef regarded sand Sandstone schists septa septum shales shell side silica similar siphuncle species specimens strata structure suggested surface Surv suture suture-line thickness tourmaline Trechmann Trilobites tuff Upper valley ventral volcanic Walcott zone