drift deposits
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Drift mining — is either the mining of a placer deposit by underground methods, or the working of coal seams accessed by adits driven into the surface outcrop of the coal bed. Drift is a more general mining term, meaning a near horizontal passageway in a mine,… … Wikipedia
drift — ► VERB 1) be carried slowly by a current of air or water. 2) walk or move slowly or casually. 3) (of snow, leaves, etc.) be blown into heaps by the wind. ► NOUN 1) a continuous slow movement from one place to another. 2) the general intention or… … English terms dictionary
Drift River Terminal Facility — Location of the Drift River Terminal Facility … Wikipedia
drift — [ glacial geology ] A general term applied to all mineral material (clay, silt, sand, gravel, boulders) transported by a glacier and deposited directly by or from the ice, or by running water emanating from a glacier. Drift includes… … Glossary of landform and geologic terms
Drift (geology) — In geology, drift is the name for all material of glacial origin found anywhere on land or at sea [1], including sediment and large rocks (glacial erratic). Glacial origin refers to erosion, transportation and deposition by glaciers. In the UK… … Wikipedia
drift — verb 1》 be carried slowly by a current of air or water. 2》 walk slowly or casually. ↘move aimlessly or involuntarily into a certain situation or condition: Lewis and his father drifted apart. 3》 (chiefly of snow) be blown into heaps by the… … English new terms dictionary
drift mining — noun : mining gold bearing gravel deposits by shafts and drifts instead of by hydraulic methods … Useful english dictionary
Heavy mineral sands ore deposits — Heavy minerals (dark) in a quartz beach sand (Chennai, India). Heavy mineral sands are a class of ore deposit which is an important source of zirconium, titanium, thorium, tungsten, rare earth elements, the industrial minerals diamond … Wikipedia
continental drift — Geol. the lateral movement of continents resulting from the motion of crustal plates. Cf. plate tectonics. [1925 30] * * * Large scale movements of continents over the course of geologic time. The first complete theory of continental drift was… … Universalium
Continental drift — This article is about the development of the continental drift hypothesis before 1958. For the contemporary theory, see plate tectonics. Antonio Snider Pellegrini s Illustration of the closed and opened Atlantic Ocean (1858). Continental drift is … Wikipedia
Longshore drift — (sometimes known as shore drift, LSD or littoral drift) is a geological process by which sediments such as sand or other materials, move along a beach shore.MechanismLongshore drift is the net movement of sand and other fine particles like shell… … Wikipedia
