常见岩石矿物的XRD数据信息-岩性分类排列

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常见岩心矿物分布特征及XRD表征特征岩性岩石类别矿物名英文名特征峰角度(Cu靶-2θ)特征峰d值层积岩砂岩石英Quartz26.59±0.13.3496±0.015长石Feldspar一类物质一类物质硬石膏anhydrite25.4±0.13.5006±0.015方解石Calcite29.55-29.053.0205-3.0713白云石Dolomite30.70-31.352.8334-2.9099菱铁矿siderite32.052.7904黄铁矿Pyrite32.95-33.102.7042-2.7162泥岩蒙脱石montmorillonite4.10-5.0517.4848-21.5338水云母伊利石Hydromicaillite8.8/19.8510.0405/4.4692绿泥石chlorite12.45-12.607.1123-7.0197高岭土Kaolinite12.3-12.67.0197-7.1902硬石膏anhydrite25.4±0.13.5006±0.015黄铁矿Pyrite32.95-33.102.7042-2.7162碳酸盐岩方解石Calcite29.55-29.053.0205-3.0713白云石Dolomite30.70-31.352.8334-2.9099菱铁矿siderite32.052.7904硬石膏anhydrite25.4±0.13.5006±0.015天青石celestite26.95/30.03.3057/2.9762海绿石glauconite8.710.1350重晶石barite25.85/33.653.4438/2.6613黄铁矿Pyrite32.95-33.102.7042-2.7162橄榄石olivine36.3/35.52.4739/2.5267辉石pyroxene28.253.1565基性斜长石plagioclase一类物质一类物质玻璃质vitric一类物质一类物质岩浆岩火成岩橄榄岩苦橄岩磁铁矿magnetite35.4±0.12.5323-2.5336钛铁矿ilmenite34.75-35.152.5795-2.5510蛇纹石serpentine一类物质一类物质叶蛇纹石antigorite12.27.2489斜纤蛇纹石chrysotile12.057.3388利蛇纹石lizardite12.257.2194镍铝蛇纹石brindleyite12.557.0475沸石zeolite6.1-6.314.0181-14.4773浊沸石laumontite9.3-9.359.5018-9.4511方解石Calcite29.55-29.053.0205-3.0713绿泥石chlorite7.128412.4辉长岩玄武岩基性斜长石plagioclase一类物质一类物质辉石pyroxene28.253.1565橄榄石olivine36.3/35.52.4739/2.5267角闪石hornblende10.35-10.458.5481-8.4586磁铁矿magnetite35.4-35.62.5198-2.5336尖晶石spinel36.6-36.952.4308-2.4532玻璃质vitric一类物质一类物质沸石zeolite6.1-6.314.0181-14.4773方解石Calcite29.55-29.053.0205-3.0713绿泥石chlorite7.128412.4闪长岩安山岩中性斜长石anorthose一类物质一类物质角闪石hornblende10.35-10.458.5481-8.4586辉石pyroxene28.253.1565黑云母biotite8.7-8.859.9839-10.1557石英Quartz26.59±0.13.3496±0.015磷灰石apatite31.9-32.052.7904-2.8031磁铁矿magnetite35.4-35.62.5198-2.5336榍石titanite27.5-27.93.1953-3.2408玻璃质vitric一类物质一类物质沸石zeolite6.1-6.314.0181-14.4773方解石Calcite29.55-29.053.0205-3.0713绿泥石chlorite7.128412.4花岗岩流纹岩石英Quartz26.59±0.13.3496±0.015正长石orthoclase26.903.3117微斜长石Microcline/Albite27.953.1897酸性斜长石acidplagioclase一类物质一类物质黑云母biotite8.7-8.859.9839-10.1557角闪石hornblende10.35-10.458.5481-8.4586磷灰石apatite31.9-32.052.7904-2.8031锆石zircon26.85-27.003.2997-3.3178磁铁矿magnetite35.4-35.62.5198-2.5336榍石titanite27.5-27.93.1953-3.2408玻璃质vitric一类物质一类物质沸石zeolite6.1-6.314.0181-14.4773方解石calcite29.55-29.053.0205-3.0713绿泥石chlorite7.128412.4凝灰岩石英Quartz26.59±0.13.3496±0.015长石feldspar一类物质一类物质角闪石hornblende10.35-10.458.5481-8.4586玻璃质vitric一类物质一类物质沸石zeolite6.1-6.314.0181-14.4773方解石calcite29.55-29.053.0205-3.0713绿泥石chlorite7.128412.4板岩石英Quartz26.59±0.13.3496±0.015黏土clay一类物质一类物质绢云母sericite石英Quartz26.59±0.13.3496±0.015变质岩千枚岩绿泥石chlorite7.128412.4绢云母sericite片岩云母mica一类物质一类物质绿泥石chlorite7.128412.4角闪石hornblende10.35-10.458.5481-8.4586长石feldspar一类物质一类物质绿帘石epidote30.50-30.852.8961-2.9285石英岩石英quartz26.59±0.13.3496±0.015白云母muscovite8.75/35.010.0978/2.5616硅线石sillimanite26.60/26.253.3484/3.3922片麻岩斜长石plagioclase27.9/28.053.1953/3.1785正长石orthoclase26.903.3117石英quartz26.59±0.13.3496±0.015黑云母biotite8.7-8.859.9839-10.1557白云母muscovite8.75/35.010.0978/2.5616角闪石hornblende10.35-10.458.5481-8.4586硅线石sillimanite26.60/26.253.3484/3.3922大理岩方解石calcite29.55-29.053.0205-3.0713白云石dolomite30.70-31.352.8334-2.9099透闪石tremolite10.55/9.808.3786/9.0181透辉石diopside29.75±0.23.0006±0.2矽卡岩石榴子石一类物质一类物质绿帘石epidote30.50-30.852.8961-2.9285透辉石diopside29.75±0.23.0006±0.2注:1、斜长石:钙长石与钠长石按不同比例混合而得到的固溶体,无固定的化学成分,在数据库中搜索时使用钙长石的英文名anorthite,然后根据化学组分和谱图进行拟合判定。2、正长石orthoclase,也称钾长石。3、以上d值及特征峰角度值2θ是对某一特定矿物进行描述的,由于矿物的复杂性,不同地域的某一矿物其d值及2θ值会在一定范围内波动,根据晶体结构的变化,d值的波动一般在0.02以内,角度的波动一般在0.1°以内。当然,具体矿物的拟合需要以数据库中的标准物质作为对照参考。

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