- laurentian orogeny
- 劳伦造山运动
English-Chinese geology dictionary (英汉地质大词典). 2013.
English-Chinese geology dictionary (英汉地质大词典). 2013.
Laurentian Mountains — Geobox|Range name=Laurentian Mountains image size=275 image caption=The Laurentian Mountains in the Hautes Gorges Quebec national park, Charlevoix, Quebec, Canada. country=Canada region=Quebec|region type=Province highest=Mont Raoul Blanchard… … Wikipedia
Laurentian — /law ren sheuhn/, adj. 1. of or pertaining to the St. Lawrence River. 2. Geol. noting or pertaining to the granite intrusions and orogeny in Canada around the Great Lakes during Archeozoic time. [1860 65; < LL Laurenti(us) Lawrence (orig. adj.,… … Universalium
Laurentian — Lau•ren•tian [[t]lɔˈrɛn ʃən[/t]] adj. 1) of or pertaining to the St. Lawrence River 2) gel pertaining to the granite intrusions and orogeny in Canada around the Great Lakes during Archeozoic time • Etymology: 1860–65; < LL Laurenti(us)… … From formal English to slang
Trans-Hudson orogeny — [ North American craton, also called Laurentia.] [ Wyoming, Superior and Hearne cratons] The Trans Hudson orogeny, Trans Hudsonian orogeny, Trans Hudson orogen (THO), or Trans Hudson Orogen Transect (THOT), (also referred to as the Trans… … Wikipedia
Grenville orogeny — The Grenville orogeny was an episode of mountain building (orogeny) associated with the assembly of the ancient supercontinent Rodinia. The Grenville orogeny occurred in the late Proterozoic eon, 1300 1000 million years ago, as numerous… … Wikipedia
North America — North American. the northern continent of the Western Hemisphere, extending from Central America to the Arctic Ocean. Highest point, Mt. McKinley, 20,300 ft. (6187 m); lowest, Death Valley, 276 ft. (84 m) below sea level. 400,000,000 including… … Universalium
Ordovician Period — Interval of geologic time, 490–443 million years ago, the second oldest period of the Paleozoic Era. It follows the Cambrian and precedes the Silurian. During the Ordovician, many of the landmasses were aligned in the tropics. Life was dominated… … Universalium
Iapetus Suture — The Iapetus Suture is one of several major geological faults caused by the collision of several ancient land masses forming a suture. It represents in part the remains of what was once the Iapetus Ocean. Iapetus was the father of Atlas in Greek… … Wikipedia
Silurian Period — Interval of geologic time, 443–417 million years ago. The third period of the Paleozoic Era, the Silurian follows the Ordovician Period and precedes the Devonian. It marks the first appearance of land plants and jawed fishes. The continents were… … Universalium
Appalachian Mountains — Appalachian redirects here. For the region, see Appalachia. Appalachian Mountains Appalachians Range … Wikipedia
Timetable of the Precambrian — This is a timeline of geological and relevant astronomical events on Earth before the Cambrian period started. This covers 88% of the duration of the Earth. The dates given are based on the best current scientific evidence and where possible are… … Wikipedia