Results 351 to 360 of about 2,257,902 (405)

Geology of the head of Lydonia Canyon, U.S. Atlantic outer continental shelf

Marine Geology, 1983
Abstract The geology of the part of Lydonia Canyon shoreward of the continental shelf edge on the southern side of Georges Bank was mapped using high-resolution seismic-reflection and side-scan sonar techniques and surface sediment grab samples. The head of the canyon incises Pleistocene deltaic deposits and Miocene shallow marine strata. Medium sand
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Thrust and torque characteristics based on a new cutter-head load model

Chinese Journal of Mechanical Engineering, 2015
Full face rock tunnel boring machine(TBM) has been widely used in hard rock tunnels, however, there are few published theory about cutter-head design, and the design criteria of cutter-head under complex geological is not clear yet.
Jianqin Liu, J. Ren, W. Guo
semanticscholar   +1 more source

Geology of the Caloris Basin, Mercury: A View from MESSENGER

Science, 2008
The Caloris basin, the youngest known large impact basin on Mercury, is revealed in MESSENGER images to be modified by volcanism and deformation in a manner distinct from that of lunar impact basins.
S. Murchie, T. Watters, M. Robinson, J. Head, R. Strom, C. Chapman, S. Solomon, W. McClintock, L. Prockter, D. Domingue, D. Blewett   +10 more
semanticscholar   +1 more source

Notes on the geology of the area between the heads of the Beardmore and Shackleton glaciers, Antarctica

New Zealand Journal of Geology and Geophysics, 1965
Abstract Four stratigraphic columns from the upper part of the Beacon Group near the Mill and Keltie Glaciers are presented. The oldest formation examined, the Buckley Coal Measures, contains a good Glossopteris flora. Well developed cyclothems in the overlying Falla Formation are considered to reflect deposition under acid conditions by rivers whose ...
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Notes on the White Chalk of Yorkshire. Part III. The Geology of Flamborough Head, with Notes on the Yorkshire Wolds [PDF]

Proceedings of the Yorkshire Geological Society, 1896
Platus XXII. to XXXIV. As a subject for systematic illustration no part of the Yorkshire Coast is more fitting than Flamborough Head, in which bold simplicity of outline is united with such wealth of picturesque detail as to render the result satisfactory from an artistic as well as from a scientific standpoint.
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XVIII. The Igneous Geology of the Ayrshire Coast from Doonfoot to the Heads of Ayr

Transactions of the Geological Society of Glasgow, 1920
Introduction. The coast immediately southward from Ayr, including the striking and picturesque double headland of the Heads of Ayr, has attracted little attention from geologists. It is briefly mentioned in the old Survey memoir upon the district by Sir A.
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Engineering Geology Programs in the United States: Where Are They and Where Might They Be Headed?

Environmental & Engineering Geoscience, 1984
The curricula of engineering geology in the United States are diverse, strongly influenced by the geographic location of the school, the academic training of the instructor, and the professional practical experiences of the instructor. The divergence between the growing numbers of students entering colleges and universities with interests in ...
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Late high‐titanium basalts of the Western Maria: Geology of the Flamsteed REgion of Oceanus Procellarum

, 1979
The Flamsteed region of Oceanus Procellarum is representative of an unsampled volcanic complex on the lunar nearside. The evolution of this region, as portrayed in the current surface, is investigated in detail.
Carle M bulletieters, J. Head, J. Adams, T. McCord, H. Stanl 'ey, James L Zisk, Whitford-Star   +6 more
semanticscholar   +1 more source

THE GEOLOGY OF VENUS

, 1988
mental questions about the origin and evolution of the terrestrial planets and is of cri tical significance to comparative planetology. The last 25 years of solar system exploration have provided unprecedented views of the Earth, Moon, Mars, and Mercury.
A. Basilevsky, J. Head
semanticscholar   +1 more source

Geology of a rift zone on Venus: Beta Regio and Devana Chasma

, 1989
Beta Regio is a region of rifting and volcanism on Venus. The nature of Beta, a major topographic rise and rift zone, is herein characterized using Pioneer Venus, Arecibo, and Venera 15/16 data.
E. Stofan, J. Head, D. Campbell, S. Zisk, A. Bogomolov, O. N. Rzhiga, A. Basilevsky, N. Armand   +7 more
semanticscholar   +1 more source