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Vaalbara pershij gipotetichnij superkontinent na Zemli 1 Zgidno z radiometrichnim datuvannyam kratoniv protokontinentiv yaki skladali Vaalbaru vvazhayetsya sho cej superkontinent isnuvav priblizno vid 3 6 3 1 mlrd rokiv tomu Ce pidtverdzhuyut geohronologichni ta paleomagnitni doslidzhennya mizh dvoma arhejskimi kratonami kraton Kaapvaal PAR i kraton Pilbara Zahidna Avstraliya Kraton KaapvaalKraton PilbaraNe isnuye zagalnoyi tochki zoru shodo datuvannya pochatku rozpadu cogo superkontinentu odnak geohronologichni i paleomagnitni doslidzhennya pokazuyut sho dva kratoni perezhili cirkulyarne poperechne rozdilennya pid kutom 30 priblizno 2 78 2 77 mlrd rokiv tomu tobto 2 8 mlrd rokiv tomu voni vzhe ne kontaktuvali bezposeredno Zmist 1 Div takozh 2 Primitki 3 Literatura 4 PosilannyaDiv takozh RedaguvatiKraton Kaapvaal Kraton Pilbara Gondvana Lavraziya Ur PangeyaPrimitki Redaguvati Supercontinents enotes com Science s 1 2 Arhiv originalu za 29 chervnya 2013 Procitovano 28 lyutogo 2010 Literatura RedaguvatiBailey R C Cruden A R and B Nitescu 2006 Crustal structure and implications for the tectonic evolution of the Archean Western Superior craton from forward and inverse gravity modeling Tectonics vol 25 Online Abstract http www agu org pubs crossref 2006 2004TC001717 shtml Arhivovano 27 veresnya 2012 u Wayback Machine Dann J M J de Wit S H White and E Zegers 1998 Vaalbara Earth s oldest assembled continent A combined structural geochronological and palaeomagnetic test Online http www geo uu nl Research Paleomagnetism publications Zegers98b pdf Arhivovano 29 sichnya 2004 u Wayback Machine Wingate M T D 1998 palaeomagnetic test of the Kaapvaal Pilbara Vaalbara connection at 2 78 Ga South African Journal of Geology December 1998 v 101 no 4 p 257 274 Australian National University Research School of Earth Sciences Canberra Australia Online Abstract http sajg geoscienceworld org cgi content abstract 101 4 257 Arhivovano 1 zhovtnya 2011 u Wayback Machine Zegers T E and A Ocampo 2003 Vaalbara and Tectonic Effects of a Mega Impact in the Early Archaen 3470 Ma European Space Agency ESTEC SCI SB Keplerlaan 1 2201 AZ Noordwijk Online http www lpi usra edu meetings largeimpacts2003 pdf 4038 pdf Arhivovano 25 lyutogo 2009 u Wayback Machine Posilannya RedaguvatiZagalna istoriya Zemli Arhivovano 28 sichnya 2013 u WebCite mln rokiv tomu nbsp Ce nezavershena stattya z geotektoniki Vi mozhete dopomogti proyektu vipravivshi abo dopisavshi yiyi Otrimano z https uk wikipedia org w index php title Vaalbara amp oldid 36989448