{"id":"e2fe6b0a-5601-499d-acf1-8904670409b9","title":"华北北缘云蒙山和房山岩体主微量元素、锆石锆石微量元素数据集 (2020)","title_en":"Major and trace elements, and zircon trace elements data sets of the Yunmengshan and Fangshan pluton in North China (2020)","serial":"","user_limit":"为尊重知识产权、保障数据作者的权益、扩展数据中心的服务、评估数据的应用潜力，请数据使用者在使用数据所产生的研究成果中（包括公开发表的论文、论著、数据产品和未公开发表的研究报告、数据产品等成果），明确注明数据来源和数据作者。对于转载（二次或多次发布）的数据，作者还须注明原始数据来源。","instructions":"云蒙山和房山数据表","description":"主微量元素数据在中国科学院广州地球化学研究所同位素地球化学国家重点实验室由ICP-MS完成测定。锆石微量均在中国科学院广州地球化学研究所中国科学院矿物学与成矿学重点实验室由LA-ICP-MS完成测定。同批次测定的国际标样和参考值在误差范围内一致，全流程空白低，数据质量准确可靠。云蒙山和房山岩体的二氧化硅含量显示较宽的范围52%至75%，从中性岩到花岗岩。并且显示了较高的Fe3+/ΣFe比值，分布在0.3至0.6之间。基于原位锆石微量元素分析，计算得出云蒙山和房山锆石Ce4+/Ce3+ = (100 - 1000)，(Eu/Eu*)N = (0.5 - 0.1)，与智利和德兴斑岩铜矿类似，显示了较高的氧逸度。而来自利国和房山岩体的2.5 Ga继承锆石Ce4+/Ce3+ = (10 - 200)，(Eu/Eu*)N = (0.1 - 0.4)，显示了较低的氧逸度。通过搜集数据发现，高氧逸度的岩体广泛分布在华北。这些岩浆来源于下地壳熔融和地幔楔的熔融相混合，而高氧逸度特征主要继承于氧化的地幔楔，主要是古太平洋板块俯冲过程中大量氧化性流体、物质带入地幔楔所造成。","doi":"doi.org/10.1007/s11631-020-00394-7","projection":"","language":"zh","share_type":"protected","east":116.5,"west":115.53,"south":39.41,"north":40.45,"scale":null,"crs":null,"filesize":0.06,"share_policy":"a","ts_created":"2021-05-30T18:21:05.919776+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-07-02T15:37:32.476130+08:00","time_description":"130百万年","datas_group":0,"time_description_en":"130Ma","data_format":null,"project":[11],"specials":[],"cite":null,"review_status":5,"review_invite":[{"user_name":"王浩","username":"王浩_iggcas","email":"wanghao@mail.iggcas.ac.cn","is_cancel_expert":false}],"review_editor":{"id":42421,"last_login":"2022-04-08T15:16:51.670544+08:00","username":"任慧霞","email":"510727846@qq.com","is_active":true,"is_staff":true,"user_name":"任慧霞"},"data_sources":null,"temporal_resolution":"1000 year < x","spatial_resolution":"10m - 100m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[521],"subtopics":{"metadata":"e2fe6b0a-5601-499d-acf1-8904670409b9","three_pole":null,"third_pole":null},"username":"陈俏恒","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":519}