滇西北普上石英闪长玢岩主量和微量元素数据（2024）
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（1）数据内容：数据包含样品编号、石英闪长玢岩主量元素和微量元素测试结果。（2）数据来源及加工方法：主微量元素和稀土元素分析均在澳实分析检测（广州）有限公司完成。使用P2424型X射线荧光光谱仪和CP64型电子天平（LOI）进行主量元素的测试分析。具体分析计算方法为：称取样品2份，1份于105℃烘干，精确称重，置入铂金坩埚，加入四硼酸锂-偏硼酸锂-硝酸锂的混合液，1050℃下将样品于高精度熔样机中熔化，将熔浆倒入铂金模具内，待其冷却形成熔片后以X荧光光谱仪测定主量元素。同时，将另一份干燥后的样品在1000℃下用马弗炉进行有氧燃烧，冷却后准确称重，计算样品在燃烧前后的质量差异，即为烧失量。微量元素分析采用高氯酸、硝酸、盐酸、氢氟酸将样品分步溶解，用稀盐酸定容，然后用电感耦合等离子发射光谱（ICP-AES）进行测量。稀土元素分析采用ME-MS81方法，将硼酸锂（LiBO2/Li2B4O7）熔剂添加到试样中，并进行搅拌，然后在1025℃下进行熔融，待其冷却后，用硝酸、盐酸、氢氟酸分步溶解再定容，然后用电感耦合等离子体质谱（ICP-MS）进行分析。（3）数据质量描述：测试结果总体上准确、完整、可靠。结合数据中烧失量（LOI值）和手标本矿物组合将样品分为新鲜石英闪长玢岩和蚀变石英闪长玢岩。（4）数据应用成果及前景：已通过该数据证实了滇西北中甸普上蚀变石英闪长玢岩受到了以钾交代为主的碱性蚀变作用的影响，引起矿物蚀变的成矿热液富含Cu、Mo等成矿金属；普上石英闪长玢岩原始岩浆具有富水和高氧逸度的特征；普上石英闪长玢岩体具有形成Cu-Au矿床的潜力。
1. Data Content: The dataset includes sample numbers, as well as the major and trace element test results of quartz diorite porphyry. 2. Data Source and Processing Methods: All analyses of major, trace and rare earth elements (REEs) were conducted by ALS Chemex (Guangzhou) Co., Ltd. Major element tests were performed using a P2424 X-ray fluorescence spectrometer and a CP64 electronic balance (for loss on ignition, LOI). The specific analytical and calculation procedures are as follows: Weigh two sample portions. One portion is dried at 105℃, accurately weighed, transferred into a platinum crucible, added with a mixed flux of lithium tetraborate-lithium metaborate-lithium nitrate, and melted in a high-precision fusion apparatus at 1050℃. The molten slurry is poured into a platinum mold, and after cooling to form a fused bead, the major elements are measured via X-ray fluorescence spectrometry. Separately, the other dried sample portion undergoes aerobic combustion in a muffle furnace at 1000℃, accurately weighed after cooling, and the mass difference before and after combustion is calculated as the loss on ignition (LOI). For trace element analysis, samples are dissolved stepwise with perchloric acid, nitric acid, hydrochloric acid and hydrofluoric acid, made up to a fixed volume with dilute hydrochloric acid, and then measured by inductively coupled plasma atomic emission spectrometry (ICP-AES). For rare earth element analysis, the ME-MS81 method is adopted: lithium borate (LiBO2/Li2B4O7) flux is added to the sample, stirred, melted at 1025℃, cooled, dissolved stepwise with nitric acid, hydrochloric acid and hydrofluoric acid, made up to a fixed volume, and then analyzed by inductively coupled plasma mass spectrometry (ICP-MS). 3. Data Quality Description: The test results are generally accurate, complete and reliable. Samples are categorized into fresh quartz diorite porphyry and altered quartz diorite porphyry based on the loss on ignition (LOI values) and hand-specimen mineral assemblages contained in the dataset. 4. Data Application Achievements and Prospects: This dataset has been used to confirm that the altered quartz diorite porphyry in Pushang, Zhongdian, northwestern Yunnan Province was affected by alkaline alteration dominated by potassic metasomatism, and the ore-forming hydrothermal fluids responsible for mineral alteration are rich in ore-forming metals such as Cu and Mo. The original magma of the Pushang quartz diorite porphyry is characterized by high water content and high oxygen fugacity. The Pushang quartz diorite porphyry body has the potential to form Cu-Au deposits.
