Definition of Penokean. Meaning of Penokean. Synonyms of Penokean

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Definition of Penokean

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Meaning of Penokean from wikipedia

- The Penokean orogeny was a mountain-building episode that occurred in the early Proterozoic about 1.86 to 1.83 billion years ago, in the area of Lake Superior...
- In the original concept Nena formed c. 1,900 million years ago in the Penokean, Makkovikan, Ketilidian, and Svecofennian orogenies. However, because Nena...
- stromatolites appear. Vredefort and Sudbury Basin asteroid impacts. Much orogeny. Penokean and Trans-Hudsonian Orogenies in North America. Early Ruker Orogeny in...
- millions of years): formation of the Sudbury Igneous Complex (1849 Ma) Penokean orogeny (1890–1830 Ma) Mazatzal orogeny (1700–1600 Ma) Grenville orogeny...
- ~2.0 Ga Limpopo Belt in southern Africa; the 1.9–1.8 Ga Trans-Hudson, Penokean, Taltson–Thelon, ****may, Ungava and Torngat orogens in North America, the...
- tectonics (2,450 to 2,100 million years ago), a second compression during the Penokean orogeny (1,900 to 1,850 million years ago), a second extension during Middle...
- Archean rocks. After the Rove Formation sediments were deposited, the Penokean orogeny added more land m**** by accretion that occurred from the south...
- cratonic blocks of Laurentia were sutured along the 1.9–1.8 Ga Trans-Hudson, Penokean, Taltson–Thelon, ****may, Ungava, Torngat, and Nagssugtoqidian orogens;...
- metamorphosed and intruded by the plutonic rocks of the 1860 ± 50-million-year-old Penokean orogeny. The rocks of the Animikie Basin form a sequence up to 10 km (6...
- present-day continents, older inactive orogenies, such as the Algoman, Penokean and Antler, are represented by deformed and metamorphosed rocks with sedimentary...