- sedimentary system
- 沉积体系
English-Chinese geology dictionary (英汉地质大词典). 2013.
English-Chinese geology dictionary (英汉地质大词典). 2013.
Sedimentary exhalative deposits — (abbreviated as SEDEX from SEDimentary EXhalative) are ore deposits which are interpreted to have been formed by release of ore bearing hydrothermal fluids into a water reservoir (usually the ocean), resulting in the precipitation of stratiform… … Wikipedia
sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… … Universalium
Sedimentary rock — Middle Triassic marginal marine sequence of siltstones (below) and limestones (above), Virgin Formation, southwestern Utah, USA Sedimentary rock are types of rock that are formed by the deposition of material at the Earth s surface and within… … Wikipedia
sedimentary facies — Different, but contemporaneous and juxtaposed, sedimentary rocks. Terrigenous facies are accumulations of particles eroded from older rocks and transported to the depositional site. Biogenic facies are accumulations of whole or fragmented shells… … Universalium
Sedimentary basin — The term sedimentary basin is used to refer to any geographical feature exhibiting subsidence and consequent infilling by sedimentation. As the sediments are buried, they are subjected to increasing pressure and begin the process of lithification … Wikipedia
system — systemless, adj. /sis teuhm/, n. 1. an assemblage or combination of things or parts forming a complex or unitary whole: a mountain system; a railroad system. 2. any assemblage or set of correlated members: a system of currency; a system of… … Universalium
system — /ˈsɪstəm / (say sistuhm) noun 1. an assemblage or combination of things or parts forming a complex or unitary whole: a mountain system; a railway system. 2. any assemblage or set of correlated members: a system of currency; a system of shorthand… …
system — sys•tem [[t]ˈsɪs təm[/t]] n. 1) an assemblage or combination of things or parts forming a complex or unitary whole 2) any assemblage or set of correlated members 3) an ordered and comprehensive assemblage of facts, principles, doctrines, or the… … From formal English to slang
Pacific mountain system — ▪ mountains, North America Introduction series of mountain ranges that stretches along the Pacific coast (Coast Ranges) of North America from northern British Columbia (Canada) to northwestern Mexico. They run for some 4,500 miles (7,250… … Universalium
Midcontinent Rift System — Geological map of North America showing (in white) the Midcontinent Rift, here labeled Keweenawan Rift. Lake Superior occupies the apex of the rift. The Midcontinent Rift System (MRS) or Keweenawan Rift is a 2,000 km (1,200 mi) long… … Wikipedia
Drainage system (geomorphology) — In geomorphology, a drainage system is the pattern formed by the streams, rivers, and lakes in a particular drainage basin. They are governed by the topography of the land, whether a particular region is dominated by hard or soft rocks, and the… … Wikipedia