- paleomagnetic epoch
- 古地磁时期
Atmospheric Sciences (English-Chinese) dictionary. 2014.
Atmospheric Sciences (English-Chinese) dictionary. 2014.
Pleistocene Epoch — Earlier and longer of the two epochs that constitute the Quaternary Period. The Pleistocene began с 1.8 million years ago and ended с 10,000 years ago. It was preceded by the Pliocene Epoch of the Tertiary Period and followed by the Holocene… … Universalium
Tertiary Period — Interval of geologic time, 65–1. 8 million years ago. It constitutes the first of the two periods of the Cenozoic Era, the second being the Quaternary. The Tertiary has five subdivisions: (from oldest to youngest) the Paleocene, Eocene, Oligocene … Universalium
Olympic-Wallowa Lineament — Location of the Olympic Wallowa Lineament. Is the OWL an optical illusion? The Olympic Wallowa lineament (OWL) – first reported by cartographer Erwin Raisz in 1945 [1] on a relief map of the continental United States – is a physiographic feature… … Wikipedia
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
Snowball Earth — The Snowball Earth hypothesis as it was originally proposedcite book author = Kirschvink, J.L. year = 1992 chapter = Late Proterozoic low latitude global glaciation: The snowball Earth title = The Proterozoic Biosphere: A Multidisciplinary Study… … Wikipedia
Snowball Earth — Бескрайняя ледяная пустыня Гипотеза Snowball Earth («Земля снежок»), как она ныне понимается[1] предполагает, что Земля была полностью покрыта льдом в части криогенийского и эдиакарского периодов Протерозойской эры, и, возможно, в другие… … Википедия
Вендское оледенение — Бескрайняя ледяная пустыня Гипотеза Snowball Earth («Земля снежок»), как она ныне понимается[1] предполагает, что Земля была полностью покрыта льдом в части криогенийского и эдиакарского периодов Протерозойской эры, и, возможно, в другие… … Википедия
Земля-снежок — Возможно, Земля когда то представляла собой ледяную пустыню «Земля снежок» (англ. Snowball Earth) гипотеза … Википедия
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
India — /in dee euh/, n. 1. Hindi, Bharat. a republic in S Asia: a union comprising 25 states and 7 union territories; formerly a British colony; gained independence Aug. 15, 1947; became a republic within the Commonwealth of Nations Jan. 26, 1950.… … Universalium
Australia — /aw strayl yeuh/, n. 1. a continent SE of Asia, between the Indian and the Pacific oceans. 18,438,824; 2,948,366 sq. mi. (7,636,270 sq. km). 2. Commonwealth of, a member of the Commonwealth of Nations, consisting of the federated states and… … Universalium