Bulletin of the Geological Society of America, Volumen24The Society, 1913 Vols. for 1938-61 include as pt. 2 of the December issue the Society's Abstracts, later published separately. |
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Página xi
... lava on the main floor of Kilauea crater ( June 22 , 1912 ) ..... View of the lava lake ( May 22 , 1912 ) .. 601 View of lava lake during period of maxi- mum activity ( July 8 , 1912 ) .... 599 602 64 28 - BLACKWELDER : Doubletop ...
... lava on the main floor of Kilauea crater ( June 22 , 1912 ) ..... View of the lava lake ( May 22 , 1912 ) .. 601 View of lava lake during period of maxi- mum activity ( July 8 , 1912 ) .... 599 602 64 28 - BLACKWELDER : Doubletop ...
Página xii
... lava of Starks Knob 340 66 3 - Sketch of shale wedge enclosed in lava at the north end of Starks Knob ...... 340 66 4 - Diagram illustrating relation of lava and enclosing shales of Starks Knob .... 342 GRABAU : Figure 1 - Diagram of ...
... lava of Starks Knob 340 66 3 - Sketch of shale wedge enclosed in lava at the north end of Starks Knob ...... 340 66 4 - Diagram illustrating relation of lava and enclosing shales of Starks Knob .... 342 GRABAU : Figure 1 - Diagram of ...
Página 14
... lava upward through any passage where it can find vent " ( page 131 , Geology of High Plateaus ) , and that the succession is a double sequence determined by density and fusibility . Concerning the origin of this view in his own mind ...
... lava upward through any passage where it can find vent " ( page 131 , Geology of High Plateaus ) , and that the succession is a double sequence determined by density and fusibility . Concerning the origin of this view in his own mind ...
Página 15
... lava fields of New Mexico ( abstract ) . Wash . Phil . Soc . Bull . , vol . 7 , 1885 , pp . 76-79 . II - BULL . GEOL . SOC . AM . , VOL . 24 , 1912 16. Mount Taylor and the Zuñi plateau . U. S. MEMOIR OF CLARENCE EDWARD DUTTON 17.
... lava fields of New Mexico ( abstract ) . Wash . Phil . Soc . Bull . , vol . 7 , 1885 , pp . 76-79 . II - BULL . GEOL . SOC . AM . , VOL . 24 , 1912 16. Mount Taylor and the Zuñi plateau . U. S. MEMOIR OF CLARENCE EDWARD DUTTON 17.
Página 40
... lava flow in New Mexico . The phenomena of rifting in granite . Am . Nat . , vol . 24 , 1890 , pp . 455–459 . Am . Nat . , vol . 25 , 1891 , pp . 524-527 , plate 12 . Am . Jour . Sci . , 3d ser . , vol . 41 , 1891 , pp . 267-272 ; Eng ...
... lava flow in New Mexico . The phenomena of rifting in granite . Am . Nat . , vol . 24 , 1890 , pp . 455–459 . Am . Nat . , vol . 25 , 1891 , pp . 524-527 , plate 12 . Am . Jour . Sci . , 3d ser . , vol . 41 , 1891 , pp . 267-272 ; Eng ...
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algæ American analcite August Bald Eagle basin beds Bighorn Bull calcareous California Canada character CHARLES conglomerate correlation County delta deposits diabase dikes Discussed displacement dolomite drainage drift drumlins east Edgewood Eocene erosion Eurypterids Eurypterus evidence fault fauna feet thick figure formation forms fossils FRANK LEVERETT gases Geol geologist glacial glaciers gray horizon ice-sheet Illinois illustrated Iowa Lake lava layers limestone lower marine mass Medina miles Missouri moraine mountain Museum N. Y. December Niagara occur Ontario oolite Ordovician Ordovicic origin Paleontological Paleozoic paper pebbles peneplain plain Pleistocene pre-Wisconsin Presented in abstract probably Pterygotus quartzite region relations Ridge River rock sand sandstone scarp Science sediments Sexton Creek shale Silurian Siluric Society species specimens strata streams structure surface Tarr tion Trenton U. S. Geological Survey unconformity University upper Valley volcanic Washington Wenlock WILLIAM Wisconsin York
Pasajes populares
Página 22 - Soil Erosion," published as a bulletin of the Bureau of Soils in the United States Department of Agriculture, is a complete and graphic refutation — if such were really needed — of this contention.
Página 165 - ... non-eroding amounts. EXTENSION AREA. A test range in excess of that provided by the main White Sands Missile Range (WSMR) required for an indefinite period of time to support future military programs. EXTRUSIVE ROCK. Rocks derived from magma poured out or ejected at the earth's surface . FAULT. A fracture in the earth's crust accompanied by a displacement of one side with respect to the other. FAULT BLOCK. A...
Página 173 - The dip-shift (Fig. 90) is the component of the shift parallel with the fault dip. The bending of the strata near the fault may be so great that the direction of the shift is no longer even nearly parallel with the fault surface; it is better, then, to use the three following components of the shift: The strike-shift denotes the horizontal component of the shift parallel with the fault strike, as already defined. The normal shift denotes the horizontal component of the shift at right angles to the...
Página 361 - Cyrene member, which will include the lower, fossiliferous limestone phase of the formation, below the Bowling Green member, exposed one to two miles east of Cyrene and Edgewood in Pike County, Missouri, and about two miles north of Thebes in Alexander County, Illinois; (2) The Noix oolite member which will refer to the local oolite facies of the formation, which is the equivalent of a variable portion of the upper part of the Cyrene member; and (3) the Bowling Green member, which will embrace the...
Página 14 - I have in many places departed from the severe ascetic style which has become conventional in scientific monographs. Perhaps no apology is called for. Under ordinary circumstances the ascetic discipline is necessary. Give the imagination an inch and it is apt to take an ell, and the fundamental requirement of the scientific method -- accuracy of statement -- is imperiled.
Página 589 - ... condensed water) yielded no more than 0.4 grams of chlorine. If this be calculated in the form of gas, it will correspond at most to 0.02%, assuming that approximately 1000 liters of gas, were drawn into the tubes. Fluorine seems to be present in about twice this quantity, but in no sense can...
Página 176 - Luess, in which the strike is transverse to the strike of the rocks, the dip high and varying from one side to the other in the course of the fault, and the relative movement practically horizontal and parallel...
Página 172 - shift" is used to denote the relative displacements of the rock masses situated outside the zone of dislocation; the qualifying 4. — The Shift words relate to the strike and dip of the fault with one exception, in which the meaning is clear. The shift, or net shift...
Página 58 - To change is always seeming fickleness. But not to change with the advance of science, is worse ; it is persistence in error ; and, therefore, notwithstanding the former adoption of what has been called the Natural History System, and the pledge to its support given by the author in supplying it with a Latin nomenclature, the whole system, its classes, orders, genera, and Latin names, have been rejected ; and even the trace...
Página 597 - Great blocks appear to have cooled in this way so rapidly that no opportunity was given for the suddenly projected and rapidly expanding lava to 'heal