Pb-207/Pb-206 and 40Ar/39Ar geochronology of the palaeoproterozoic granites of the Rio Itapicuru Greenstone Belt (Bahia, Brazil)

被引：0
|
作者：
Chauvet, A
Guerrot, C
daSilva, FA
Faure, M
机构：
[1] UNIV ORLEANS, FR 09, F-45067 ORLEANS 2, FRANCE
[2] BUR RECH GEOL & MINIERES, SGN, I2G, F-45060 ORLEANS 2, FRANCE
[3] UFBA, INST GEOCIENCIAS, BR-40210340 SALVADOR, BA, BRAZIL
来源：
COMPTES RENDUS DE L ACADEMIE DES SCIENCES SERIE II FASCICULE A-SCIENCES DE LA TERRE ET DES PLANETES | 1997年 / 324卷 / 04期
关键词：
granite; palaeoproterozoic; Pb-evaporation; 40Ar/39Ar geochronology; cooling rate; Greenstone Belt; Brazil;
D O I：
暂无
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
Pb-207/Pb-206 and 40Ar/39Ar geochronology can accurately determine the crystallization age of the granites of the Palaeoproterozoic Rio Itapicuru Greenstone Belt, and allow discussion of a cooling model in which slow rates of ca. 3.4 degrees C/Ma were involved.
引用
收藏
页码：293 / 300
页数：8
相关论文
共 50 条
  • [41] FORMATION AND EMPLACEMENT OF THE JOSEPHINE OPHIOLITE AND THE NEVADAN OROGENY IN THE KLAMATH MOUNTAINS, CALIFORNIA-OREGON - U/PB ZIRCON AND 40AR 39AR GEOCHRONOLOGY
    HARPER, GD
    SALEEBY, JB
    HEIZLER, M
    JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH, 1994, 99 (B3) : 4293 - 4321
  • [42] Geochemistry, Zircon U-Pb Analysis, and Biotite 40Ar/39Ar Geochronology of the Maoling Gold Deposit, Liaodong Rift, NE China
    Zhang, Peng
    Zhao, Yan
    Chai, Peng
    Yang, Hong-Zhi
    Na, Fu-Chao
    RESOURCE GEOLOGY, 2017, 67 (04) : 426 - 441
  • [43] 河南洛宁太华岩群斜长角闪岩的锆石207Pb/206Pb和角闪石40Ar/39Ar年龄
    倪志耀
    王仁民
    童英
    杨淳
    戴潼谟
    地质论评, 2003, (04) : 361 - 366
  • [44] A comparison of detrital U-Pb zircon, 40Ar/39Ar hornblende, 40Ar/39Ar biotite ages in marine sediments off East Antarctica: Implications for the geology of subglacial terrains and provenance studies
    Pierce, E. L.
    Hemming, S. R.
    Williams, T.
    van de Flierdt, T.
    Thomson, S. N.
    Reiners, P. W.
    Gehrels, G. E.
    Brachfeld, S. A.
    Goldstein, S. L.
    EARTH-SCIENCE REVIEWS, 2014, 138 : 156 - 178
  • [45] The superposition of cretaceous volcanic belts in NE Russia: New U-Pb and 40Ar/39Ar data
    Tikhomirov, P. L.
    Kalinina, E. A.
    Nakamura, E.
    Akinin, V. V.
    Ispolatov, V. O.
    Kobayashi, K.
    Alexandre, P.
    Cherepanova, I. Yu.
    GEOCHIMICA ET COSMOCHIMICA ACTA, 2006, 70 (18) : A650 - A650
  • [46] U-Pb zircon and 40Ar/39Ar hornblende ages of glaciogenic detritus around East Antarctica
    Pierce, E. L.
    Steponaitis, E.
    Cox, S. E.
    Gehrels, G. E.
    Hemming, S. R.
    Goldstein, S. L.
    Brachfeld, S. A.
    Van de Flierdt, T.
    Williams, T.
    GEOCHIMICA ET COSMOCHIMICA ACTA, 2009, 73 (13) : A1027 - A1027
  • [47] U-Pb and 40Ar/39Ar geochronological constraints on the exhumation history of the North Qinling terrane, China
    Dong, Yunpeng
    Genser, Johann
    Neubauer, Franz
    Zhang, Guowei
    Liu, Xiaoming
    Yang, Zhao
    Heberer, Bianca
    GONDWANA RESEARCH, 2011, 19 (04) : 881 - 893
  • [48] Stratigraphy of the Okhotsk–Chukotka Belt in the Headwaters of the Malyi Anyui River (the Vicinity of Kupol Deposit): U–Pb and 40Ar/39Ar Age Data
    P. L. Tikhomirov
    I. E. Lebedev
    F. J. L. Lhuillier
    V. E. Pavlov
    Doklady Earth Sciences, 2021, 501 : 1059 - 1064
  • [49] Age of Formation of Svyatonosites of the Svyatoi Nos Peninsula, Lake Baikal (U/Pb and 40Ar/39Ar Data)
    E. I. Mikheev
    A. V. Travin
    A. S. Mekhonoshin
    Ya. Yu. Shelepov
    N. N. Kruk
    A. A. Tsygankov
    E. N. Moroz
    Doklady Earth Sciences, 2025, 521 (1)
  • [50] U–Pb systematics of the McClure Mountain syenite: thermochronological constraints on the age of the 40Ar/39Ar standard MMhb
    Blair Schoene
    Samuel A. Bowring
    Contributions to Mineralogy and Petrology, 2006, 151 : 615 - 630
12345