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In hydrothermal deposits there are many types of alteration, including potassic alteration (altered minerals are potassi......
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Silicification in Mississippian Lodgepole Formation,Northeastern Flank of Williston Basin,Manitoba,C
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Effects of Rice Straw Silicification and Characters of Extraction Biogenic Silicon on the Degradatio
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
西藏南部江孜盆地的下白垩统地层为一套浊积海底扇沉积序列.在沙拉岗一带,这套地层中发育一段明显的硅化层.矿物学和岩石地球化学......
本文所探讨的硅化作用是指经常看到的锑汞矿床中以碳酸盐岩等的围岩热液蚀变为主,主要是将未蚀变的岩石与蚀变产生的硅化岩的化学......
对早、中、晚季7个水稻品种稻草的硅化特点、稻草硅的溶解特性与纤维各组成成分瘤胃降解率的关系以及尿素处理稻草的去硅化效果进......
柳坝沟金矿为著名的哈达门沟金矿床的外围岩金矿床，位于华北克拉通北缘西段。本文通过柳坝沟金矿床钾长石化和硅化蚀变特征的实践和......
福建省区域地质调查队三分队在元坑幅及埔上幅１：５万区调中分别发现了将乐常口大型萤石矿和顺昌南舟萤石矿。两个矿床均位于常口－南舟北......
穷棒子沟钼矿处于东西向马鹿沟—闫王鼻子—二棚甸子岩浆侵入岩带和北西向高丽墓子—桓仁—南口前岩浆侵入岩带的相交汇部位。矿区......
通过对蚀变岩型金矿床蚀变现象观察与分析,从金元素地球化学性质和行为入手,探讨金矿化与硅化、黄铁矿化蚀变的内在联系。硅化及黄......
实验测定了金在碱性富硅溶液中的溶解度，并标定了Ａｕ与ＳｉＯ２之间的配合关系Ａｕ＾＋Ｈ２ＳｉＯ＾－４＝ＡｕＨ３ＳｉＯ＾０４在８０￣２５０℃的温度范围内，其平衡常数为ｌｇＫ＝－１．９８８９＋１００８５。１８／Ｔ（Ｔ为绝对温度）各温度下的平衡常数值......
实验标定了２００℃时Ａｕ与ＳｉＯ２间的络合反应：Ａｕ＾＋Ｈ３ＳｉＯ４＾－＝ＡｕＨ２ＳｉＯ＾０４ＩｇＫ（２００℃）＝１９．２６±０．４热力学计算表明，在具地质意义的物理化学条件下，ＡｕＨ３ＳｉＯ＾０４的浓度远远高于ＡｕＣｌ＾－２，指出以硅络合对Ａｕ的活化迁移比氯......
锡矿山锑矿床为严格受构造控制的热液型矿床,成矿成晕具有多期多阶段叠加的特点;F75断裂破碎带中元素的含量及叠加晕特征表明,该断......
Syn-sedimentary post-diagenetic phenomena are remarkable in Moroccan phosphates. Indeed they are reference deposits for ......
硅化保存微体化石结构的识别和鉴定一直存在争议,现代人工模拟生物硅化实验有助于对硅化作用保真度（silicification fidelity）等问题......
Effects of Rice Straw Silicification and Characters of Extraction Biogenic Silicon on the Degradatio
Straw of seven rice varieties with early-, middle- and late maturity was collected from Huazhong Agricultural University......
