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1、地质录井地质师岩屑描述总结地质录井地质师岩屑描述总结地质录井地质师岩屑描述总结砂岩灰白一般为粉砂岩浅灰灰棕红色内蒙一般粉砂岩泥岩紫红色棕红色褐色灰色灰绿色棕黄色褐灰色深灰色灰黑色一般为碳质泥岩杂色馆陶底砂砾岩砂岩带显示的颜色标示大多为细粉砂岩有褐色灰褐色褐灰色灰色一般是荧光或油迹扩展阅读：地质录井岩屑描述英文-中英文对照地质录井岩屑描述英文LithologydescriptionDescriptioncuttingbymicroscope显微镜下描述岩性,checkcolor颜色,grainsize粒度,roundness圆度,hardness硬度,texture结构，Structure构造,
2、porosity孔隙度,cement胶结,content含有物，modeofoccurrence产状。1.Color颜色:example例如:gray灰色，lightgray浅灰色，darkgray深灰色，greenishgray绿灰色，olivegreenishgray橄榄绿灰色，brownishgray褐灰色,green绿色,brown褐色,black黑色,red红色,white白色,offwhite无色,mottled杂色的，etc等等.2.Lithologyname岩性定名：claystone泥岩，siltstone泥质粉砂岩，veryfinesandstone粉砂岩，finesand
3、stone细砂岩,mediumsandstone中砂岩，coarsesandstone粗砂岩，verycoarsesandstone砂砾岩，granule细砾岩，小砾岩，pebble鹅卵石（中砾岩），couble大砾岩，boulder巨砾岩。Coal煤,lignite褐煤，limestone灰岩，mudstone泥灰岩，packstone泥粒灰岩，iolite鲕粒灰岩，wackstone灰泥石灰岩，grainstone颗粒石灰岩，boundstone粘结岩，crystallinecarbonate结晶碳酸岩，dolomite白云岩，basalt玄武岩，tuff凝灰岩，magna岩浆岩，meta
4、morphicrock,变质岩，gypsum石膏，anhydrite硬石膏，igneousrock火成岩，chart燧石，quartzite石英岩，Checkgrainsbymicroscopewithgrainschart,显微镜下观察粒度并与粒度板对比确定岩屑粒度。Grainsizeasfollow（FIG1）粒度见下及图1:3Roundnessveryangular,angular棱角状，subangular次棱角状，subrounded次圆状，rounded圆状，wellrounded，asshowinFIG1见图14sorting:verywellsorted分选极好的，wellso
5、rted分选好，moderatelysorted分选中等，poorlysorted分选差。5hardnessdeterminehardnessbyneedle用钢针来判断，岩石硬度：verysoft极软，soft软,firm较软,moderatelyhard较硬,hard硬,veryhard极硬.6.cement胶结andcement胶结物:clay粘土,argillaceous泥质，kaolinite高岭土（高岭石），chalk白垩土，glauconite海绿石，calcareous灰质,siliceous硅质的。Unconsolidated疏松，verypoorly极差，poorly差，m
6、oderately中等，well好，verywell极好。7.calcareousbearing含钙情况:putcuttingontoporcelainanddroptenpercenthydrochloricacidonitandcheckthereaction把岩屑放到磁盘上,滴10%的盐酸，观察反应情况。noncalcareous不含钙,slightcalcareous微含钙,calcareous含钙。8.Thewaytodistinguishcementandcutting,区别水泥和岩屑的方法：Putcuttingontoporcelainanddropliquidofphenolp
7、hthaleinonit,ifthecolorturnintored,thatmeansthereiscementinthecutting把岩屑放到磁盘上，滴酚酞溶液，如果颜色变红，说明岩屑里有水泥。9.porosity孔隙度：verypoor极差，poor差，fair中等，good好，verygood极好。10.directfluorescenceandcutfluorescence荧光直照和系列对比：Putcuttingontoporcelain,anddropsomechloroform(chlorothene)onit,thenputporcelainunderfluorescentl
8、ampcheck把岩屑放到瓷盘上滴上氯仿，然后放到荧光灯下观察。11.oilbearingdescription含油描述:color颜色,odor气味,stain浸染痕迹,percentageofcutting含量,directfluorescenceandcrushedcutfluorescence,nil无(noshow),trace少量,poor差,fair中等,good好,verygood很好。12.content含有物：argillaceous含泥,sandy含砂,salty含粉砂,carbonaceousspeck含炭屑,calcareous含钙,shell含贝壳,igneousfragment火成岩碎块（岩屑）,glauconite海绿石,kaolinite高岭石,chalk白垩土,pyrite黄铁矿,algae海藻,ammonite菊石。Mica云母14.Structure构造：foraminifer虫孔，karts喀斯特，microfra裂隙，conchoid贝壳状断口。15.luster光泽：vitreous玻璃光泽，metallicluster金属光泽，milky油脂光泽，satinyluster丝绢光泽。16.Formationthicknessandcombinationasfollowlist:地层厚度和组合关系,见下表。第 4 页 共 4 页