U-Pb ages, geochemistry, C-O-Nd-Sr-Hf isotopes and petrogenesis of the Catalo II carbonatitic complex (Alto Paranaiba Igneous Province, Brazil): implications for regional-scale heterogeneities in the Brazilian carbonatite associations
文献类型：期刊论文
| 作者 | Guarino, Vincenza1; Wu, Fu-Yuan2; Melluso, Leone1; Gomes, Celso de Barros3; Gaeta Tassinari, Colombo Celso3; Ruberti, Excelso3; Brilli, Mauro4 |
| 刊名 | INTERNATIONAL JOURNAL OF EARTH SCIENCES
 |
| 出版日期 | 2017-09-01 |
| 卷号 | 106期号:6页码:1963-1989 |
| 关键词 | U-Pb baddeleyite geochronology Lu-Hf isotopes Sr-Nd isotopes Carbonatites Catalao II Brazil |
| ISSN号 | 1437-3254 |
| DOI | 10.1007/s00531-016-1402-4 |
| 文献子类 | Article |
| 英文摘要 | The Catalo II carbonatitic complex is part of the Alto Paranaiba Igneous Province (APIP), central Brazil, close to the Catalo I complex. Drill-hole sampling and detailed mineralogical and geochemical study point out the existence of ultramafic lamprophyres (phlogopite-picrites), calciocarbonatites, ferrocarbonatites, magnetitites, apatitites, phlogopitites and fenites, most of them of cumulitic origin. U-Pb data have constrained the age of Catalo I carbonatitic complex between 78 +/- 1 and 81 +/- 4 Ma. The initial strontium, neodymium and hafnium isotopic data of Catalo II (Sr-87/Sr-86(i) = 0.70503-0.70599; epsilon Nd-i = -6.8 to -4.7; Hf-176/Hf-177 = 0.28248-0.28249; epsilon Hf-i = -10.33 to -10.8) are similar to the isotopic composition of the Catalo I complex and fall within the field of APIP kimberlites, kamafugites and phlogopite-picrites, indicating the provenance from an old lithospheric mantle source. Carbon isotopic data for Catalo II carbonatites (delta C-13 = -6.35 to -5.68 aEuro degrees) confirm the mantle origin of the carbon for these rocks. The origin of Catalo II cumulitic rocks is thought to be caused by differential settling of the heavy phases (magnetite, apatite, pyrochlore and sulphides) in a magma chamber repeatedly filled by carbonatitic/ferrocarbonatitic liquids (s.l.). The Sr-Nd isotopic composition of the Catalo II rocks matches those of APIP rocks and is markedly different from the isotopic features of alkaline-carbonatitic complexes in the southernmost Brazil. The differences are also observed in the lithologies and the magmatic affinity of the igneous rocks found in the two areas, thus demonstrating the existence of regional-scale heterogeneity in the mantle sources underneath the Brazilian platform. |
| WOS关键词 | MC-ICP-MS ; IONIZATION MASS-SPECTROMETRY ; TRINDADE MANTLE PLUME ; SAO-FRANCISCO CRATON ; LIQUID IMMISCIBILITY ; GEOLOGICAL-MATERIALS ; CALCIOCARBONATITE MAGMAS ; ULTRAMAFIC LAMPROPHYRES ; PYROCHLORE CHEMISTRY ; EXCEL SPREADSHEET |
| WOS研究方向 | Geology |
| 语种 | 英语 |
| WOS记录号 | WOS:000407925800007 |
| 出版者 | SPRINGER |
| 资助机构 | FAPESP(Proc. 2013/18073-4) ; PRIN(20107ESMX9_001) ; FAPESP(Proc. 2013/18073-4) ; PRIN(20107ESMX9_001) ; FAPESP(Proc. 2013/18073-4) ; PRIN(20107ESMX9_001) ; FAPESP(Proc. 2013/18073-4) ; PRIN(20107ESMX9_001) |
| 源URL | [http://ir.iggcas.ac.cn/handle/132A11/61837]  |
| 专题 | 地质与地球物理研究所_岩石圈演化国家重点实验室 |
| 通讯作者 | Guarino, Vincenza |
| 作者单位 | 1.Univ Napoli Federico II, Dipartimento Sci Terra Ambiente & Risorse, Via Mezzocannone 8, I-80134 Naples, Italy 2.Chinese Acad Sci, State Key Lab Lithospher Evolut, Inst Geol & Geophys, Beijing 100029, Peoples R China 3.Univ Sao Paulo, Inst Geociencias, Rua Lago 562, BR-05508080 Sao Paulo, Brazil 4.IGAG, CNR, Area Ric RM1, Via Salaria Km 29-300, I-00016 Rome, Italy |
| 推荐引用方式 GB/T 7714 | Guarino, Vincenza,Wu, Fu-Yuan,Melluso, Leone,et al. U-Pb ages, geochemistry, C-O-Nd-Sr-Hf isotopes and petrogenesis of the Catalo II carbonatitic complex (Alto Paranaiba Igneous Province, Brazil): implications for regional-scale heterogeneities in the Brazilian carbonatite associations[J]. INTERNATIONAL JOURNAL OF EARTH SCIENCES,2017,106(6):1963-1989. |
| APA | Guarino, Vincenza.,Wu, Fu-Yuan.,Melluso, Leone.,Gomes, Celso de Barros.,Gaeta Tassinari, Colombo Celso.,...&Brilli, Mauro.(2017).U-Pb ages, geochemistry, C-O-Nd-Sr-Hf isotopes and petrogenesis of the Catalo II carbonatitic complex (Alto Paranaiba Igneous Province, Brazil): implications for regional-scale heterogeneities in the Brazilian carbonatite associations.INTERNATIONAL JOURNAL OF EARTH SCIENCES,106(6),1963-1989. |
| MLA | Guarino, Vincenza,et al."U-Pb ages, geochemistry, C-O-Nd-Sr-Hf isotopes and petrogenesis of the Catalo II carbonatitic complex (Alto Paranaiba Igneous Province, Brazil): implications for regional-scale heterogeneities in the Brazilian carbonatite associations".INTERNATIONAL JOURNAL OF EARTH SCIENCES 106.6(2017):1963-1989. |
入库方式： OAI收割
来源：地质与地球物理研究所
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