本数据集对鄂尔多斯盆地南部下白垩统宜君组的锆石矿物开展了激光剥蚀电感耦合等离子体质谱法（LA-ICP-MS）碎屑锆石U-Pb定年。数据选取了三个采样点，麟游地区样品信息为LY-28（N 34°43'26.7″，E 107°42'52.7″，H 1 092 m），LY-06（N 34°44'56.1\"，E 107°42'32.9\"，H 1 203 m），彬县地区样品信息为BX-13（N 35°02′57.2\"，E 108°06′14.2\"，H 826 m）。数据包含三组同位素比值（207Pb/206Pb、207Pb/235U、206Pb/238U）及对应年龄。
", "ds_source": "用激光剥蚀电感耦合等离子体质谱仪（GeoLas Pro+Agilent 7500a）进行测定，激光束斑直径为30 μm。测试过程采用国际标准锆石91500作为外标标准物质，元素含量采用NIST610作为外标，29Si作内标。
", "ds_process_way": "数据处理采用Glitter4.0软件，年龄计算及图制作利用Isoplot 4.15程序。
", "ds_quality": "研究主要选择谐和度介于90%~110%的碎屑锆石年龄，其中小于1.0 Ga的采用206Pb/238U年龄，大于1.0Ga的采用207Pb/206 Pb年龄。
", "ds_acq_start_time": "2021-07-02 00:00:00", "ds_acq_end_time": "2021-08-01 00:00:00", "ds_acq_place": "鄂尔多斯盆地南部的麟游老铁沟和彬县虎家湾", "ds_acq_lon_east": 108.10388888888889, "ds_acq_lat_south": 34.72416666666667, "ds_acq_lon_west": 107.70916666666668, "ds_acq_lat_north": 35.049166666666665, "ds_acq_alt_low": 826.0, "ds_acq_alt_high": 1203.0, "ds_share_type": "login-access", "ds_total_size": 84182, "ds_files_count": 2, "ds_format": "表格", "ds_space_res": null, "ds_time_res": "", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "6d5c123c-1cba-4212-a93e-19eee9172d35.jpg", "ds_thumb_from": 0, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "", "ds_from_station": null, "organization_id": "52b7b79b-860c-49a5-9083-9a70cf8bed5a", "ds_serv_man": "李红星", "ds_serv_phone": "09314967592", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "10.12072/ncdc.GEOCHEM.db2201.2022", "subject_codes": [ "170.30" ], "quality_level": 3, "publish_time": "2022-06-20 19:02:52", "last_updated": "2025-04-29 15:44:11", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.GEOCHEM.db2201.2022", "i18n": { "en": { "title": "U-Pb age of detrital zircons from Yijun formation of Lower Cretaceous in southern Ordos Basin", "ds_format": "Excel", "ds_source": "The laser ablation inductively coupled plasma mass spectrometer (geolas PRO + Agilent 7500a) was used for measurement, and the laser beam spot diameter was 30 μ m。 The international standard zircon 91500 is used as the external standard reference material in the test process, nist610 is used as the external standard for element content, and 29Si is used as the internal standard.
", "ds_quality": "Clastic zircon ages with concordance between 90% and 110% are mainly selected for the study, of which 206Pb / 238U ages are used for those less than 1.0ga and 207Pb / 206 Pb ages are used for those greater than 1.0ga.
", "ds_ref_way": "", "ds_abstract": "This data set carries out U-Pb dating of zircon minerals in Yijun formation of Lower Cretaceous in the southern part of Ordos Basin by laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS). Three sampling points were selected for the data. The sample information in Linyou area is ly-28 (n 34 ° 43'26.7 ″, e 107 ° 42'52.7 ″, H 1092 m), ly-06 (n 34 ° 44'56.1 \", e 107 ° 42'32.9\", H 1203 m), and the sample information in Binxian area is bx-13 (n 35 ° 02'57.2 \", e 108 ° 06'14.2\", H 826 m). The data include three sets of isotope ratios (207Pb / 206Pb, 207Pb / 235U, 206Pb / 238U) and corresponding ages.
", "ds_time_res": "", "ds_acq_place": "Linyou laotiegou and Hujiawan in the south of Ordos Basin", "ds_space_res": "", "ds_projection": "", "ds_process_way": "Glitter4.0 software was used for data processing, and isoplot 4.15 program was used for age calculation and chart making.
", "ds_ref_instruction": "" } }, "submit_center_id": "ncdc", "data_level": 0, "license_type": "CC BY 4.0", "doi_reg_from": "reg_local", "cstr_reg_from": "reg_local", "doi_not_reg_reason": null, "cstr_not_reg_reason": null, "is_paper_in_submitting": false, "ds_topic_tags": [ "同位素比值", "锆石U-Pb年龄", "下白垩统宜君组" ], "ds_subject_tags": [ "地球化学" ], "ds_class_tags": [], "ds_locus_tags": [ "鄂尔多斯盆地", "麟游老铁沟", "彬县虎家湾" ], "ds_time_tags": [ 2021 ], "ds_contributors": [ { "true_name": "李姣莉", "email": "874345188@qq.com", "work_for": "西北大学地质学系", "country": "中国" }, { "true_name": "王建强", "email": "wjq@nwu.edu.cn", "work_for": "西北大学地质学系", "country": "中国" }, { "true_name": "彭恒", "email": "pengheng@stumail.nwu.edu.cn", "work_for": "西北大学地质学系", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "李姣莉", "email": "874345188@qq.com", "work_for": "西北大学地质学系", "country": "中国" } ], "ds_managers": [ { "true_name": "李姣莉", "email": "874345188@qq.com", "work_for": "西北大学地质学系", "country": "中国" } ], "category": "地球化学" }