{"refrec":{"BRefID":77263,"RR":"<b>Hébert, R.; Bideau, D.; Hekinian, R.</b> (1983). Ultramafic and mafic rocks from the Garret Transform Fault near 13°30′S on the East Pacific Rise: igneous petrology. <i>Earth Planet. Sci. Lett. 65(1)</i>: 107-125. <a href=\"https://dx.doi.org/10.1016/0012-821X(83)90193-0\" target=\"_blank\">https://dx.doi.org/10.1016/0012-821X(83)90193-0</a>","BEntID":72861,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Earth Planet. Sci. Lett. 65(1)</i>: 107-125. <a href=\"https://dx.doi.org/10.1016/0012-821X(83)90193-0\" target=\"_blank\">https://dx.doi.org/10.1016/0012-821X(83)90193-0</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Hébert, R.; Bideau, D.; Hekinian, R.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Hébert, R.; Bideau, D.; Hekinian, R.","Englishabstract":"Serpertinized peridotites, metagabbros and fresh basaltic rocks were dredged from the Garret Transform Fault near 13 degree S on the East Pacific Rise. Two dredge hauls taken on the northern wall (from about 3100-3600 m) consisted of aphyric and picritic basalts; while peridotites, gabbros and moderately phyric basalts were recovered in a single dredge located near the deepest part (4616-4820 m) of the transform valley. Well preserved igneous textures and mineralogical assemblages enabled differentiation between tectonites (including harzburgites and clinopyrozene-bearing harzburgites) and cumulates (consisting of plagioclase-dunite, troctolies, olivine-gabbros and ilmenite-gabbros). The harzburgites are likely to represent deep-seated peridoties left after extraction of basaltic melt during upper mantle partial melting of a lherzolite. The ultramafic cumulates underwent some deformation and show textural and mineralogical evidences which suggest formation at a minimum depth corresponding to the very lower crust.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Ultramafic and mafic rocks from the Garret Transform Fault near 13°30′S on the East Pacific Rise: igneous petrology","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-14 01:31:11.906513","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":1983,"MonPub":null,"DateUpdate":"2020-10-15","DateCreate":"2005-10-19","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:A1983RP64900010","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/0012-821X(83)90193-0"},"refs":null,"anarec":{"AnaID":77263,"PubliDate":1983,"Pagination":"107-125","XtraPublOfAnaID":null,"ISBN":null,"Volume":"65","Issue":"1","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42615,"SerRR":"Earth and Planetary Science Letters. 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