松辽盆地砂岩型铀矿铀含量配分比例的半定量分析

P619.14%O657.63; 钱家店铀矿是位于松辽盆地南部的复成因砂岩型铀矿,受表生淋滤、辉绿岩中低温热液和深部油气等多流体影响,目前铀矿物赋存状态尚有一定争议,铀在矿石内不同矿物中的配分尚不明确.为了进一步明确铀赋存状态和在不同矿物中的配分,计算钱家店矿石中不同矿物中铀的配分比例,本文运用岩矿鉴定、铀化学逐级提取、电子探针和激光剥蚀电感耦合等离子体质谱(LA-ICP-MS)微区原位分析技术开展综合测试分析.明确了钱家店铀矿物的赋存状态,认为钱家店铀矿物以吸附态为主,约占总铀含量的 80%,结合态铀矿物或含铀矿物约占比 20%.其中吸附态铀矿物主要富集在方解石等碳酸盐矿物中,占总铀含量的4...

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Published in岩矿测试 Vol. 43; no. 2; pp. 224 - 233
Main Authors 刘明义, 吴柏林, 杨松林, 郝欣, 王苗, 李琪, 林周洋, 张效瑞
Format Journal Article
LanguageChinese
Published 大陆动力学国家重点实验室,西北大学地质学系,陕西西安 710069 01.03.2024
中国地质调查局西安地质调查中心,陕西西安 710119%大陆动力学国家重点实验室,西北大学地质学系,陕西西安 710069%中国石油辽河油田分公司勘探开发研究院,辽宁盘锦 124010
Subjects
Qianjiadian uranium deposit
原位
laser ablation inductively coupled plasma-mass spectrometry(LA-ICP-MS)
电子探针
钱家店铀矿
distribution rate
in situ
electron probe microanalysis
occurrence state of uranium
Songliao Basin
激光剥蚀电感耦合等离子体质谱法
松辽盆地
配分比例
铀赋存状态
Online AccessGet full text
ISSN0254-5357
DOI10.15898/j.ykcs.202310270169

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Abstract P619.14%O657.63; 钱家店铀矿是位于松辽盆地南部的复成因砂岩型铀矿,受表生淋滤、辉绿岩中低温热液和深部油气等多流体影响,目前铀矿物赋存状态尚有一定争议,铀在矿石内不同矿物中的配分尚不明确.为了进一步明确铀赋存状态和在不同矿物中的配分,计算钱家店矿石中不同矿物中铀的配分比例,本文运用岩矿鉴定、铀化学逐级提取、电子探针和激光剥蚀电感耦合等离子体质谱(LA-ICP-MS)微区原位分析技术开展综合测试分析.明确了钱家店铀矿物的赋存状态,认为钱家店铀矿物以吸附态为主,约占总铀含量的 80%,结合态铀矿物或含铀矿物约占比 20%.其中吸附态铀矿物主要富集在方解石等碳酸盐矿物中,占总铀含量的47.86%,其次是在黏土矿物中占 17.94%,在铁锰氧化物矿物中占 12.21%.独立铀矿物是与黄铁矿密切共生的沥青铀矿为主,约占铀总含量的 9.07%,另有少量含钛铀矿物和铀石约占 5.08%.这种矿石中各碎屑组分中铀的占比量化研究,为矿床地浸开采及资源量计算提供依据.
AbstractList P619.14%O657.63; 钱家店铀矿是位于松辽盆地南部的复成因砂岩型铀矿,受表生淋滤、辉绿岩中低温热液和深部油气等多流体影响,目前铀矿物赋存状态尚有一定争议,铀在矿石内不同矿物中的配分尚不明确.为了进一步明确铀赋存状态和在不同矿物中的配分,计算钱家店矿石中不同矿物中铀的配分比例,本文运用岩矿鉴定、铀化学逐级提取、电子探针和激光剥蚀电感耦合等离子体质谱(LA-ICP-MS)微区原位分析技术开展综合测试分析.明确了钱家店铀矿物的赋存状态,认为钱家店铀矿物以吸附态为主,约占总铀含量的 80%,结合态铀矿物或含铀矿物约占比 20%.其中吸附态铀矿物主要富集在方解石等碳酸盐矿物中,占总铀含量的47.86%,其次是在黏土矿物中占 17.94%,在铁锰氧化物矿物中占 12.21%.独立铀矿物是与黄铁矿密切共生的沥青铀矿为主,约占铀总含量的 9.07%,另有少量含钛铀矿物和铀石约占 5.08%.这种矿石中各碎屑组分中铀的占比量化研究,为矿床地浸开采及资源量计算提供依据.
Abstract_FL The Qianjiadian uranium deposit is a complex-metamorphic sandstone-type uranium mine located in the southern part of the Songliao Basin.To determine the state of uranium mineralization and its partitioning in different minerals,petrographic identification,uranium chemical step-by-step extraction,electron probe microanalysis and laser ablation inductively coupled plasma-mass spectrometry(LA-ICP-MS)were used.The results show that Qianjiadian uranium minerals are predominantly in adsorbed state,accounting for about 80%of the total uranium content,of which 47.86%is in carbonate minerals,such as calcite,17.94%in clay minerals,and 12.21%in iron and manganese oxides minerals.Combined or uranium-bearing minerals account for approximately 20%of the total uranium content,of which stand-alone uranium minerals are dominated by pitchblende uranium ore,which accounts for approximately 9.07%of the total uranium content,and a small amount of titanium-bearing uranium minerals and uraninite,which accounts for approximately 5.08%.
Author 杨松林
李琪
王苗
刘明义
吴柏林
林周洋
郝欣
张效瑞
AuthorAffiliation 大陆动力学国家重点实验室,西北大学地质学系,陕西西安 710069;中国地质调查局西安地质调查中心,陕西西安 710119%大陆动力学国家重点实验室,西北大学地质学系,陕西西安 710069%中国石油辽河油田分公司勘探开发研究院,辽宁盘锦 124010
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Author_FL LIU Mingyi
LIN Zhouyang
WANG Miao
ZHANG Xiaorui
HAO Xin
LI Qi
WU Bailin
YANG Songlin
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  fullname: ZHANG Xiaorui
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DocumentTitle_FL Semi-Quantitative Analysis of Uranium Content Distribution Ratio in a Sandstone-Type Uranium Deposit in Songliao Basin
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Keywords Qianjiadian uranium deposit
原位
laser ablation inductively coupled plasma-mass spectrometry(LA-ICP-MS)
电子探针
钱家店铀矿
distribution rate
in situ
electron probe microanalysis
occurrence state of uranium
Songliao Basin
激光剥蚀电感耦合等离子体质谱法
松辽盆地
配分比例
铀赋存状态
Language Chinese
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PublicationTitle 岩矿测试
PublicationTitle_FL Rock and Mineral Analysis
PublicationYear 2024
Publisher 大陆动力学国家重点实验室,西北大学地质学系,陕西西安 710069
中国地质调查局西安地质调查中心,陕西西安 710119%大陆动力学国家重点实验室,西北大学地质学系,陕西西安 710069%中国石油辽河油田分公司勘探开发研究院,辽宁盘锦 124010
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Title 松辽盆地砂岩型铀矿铀含量配分比例的半定量分析
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