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2。GEOLOGY地质LITHOLOGYCASSIFICATIONANDDESCRIPTIONORDER岩性分类与描述顺序RockTypes岩石类型SediSedimentry沉积岩clasclastic碎屑岩sssandstone砂岩mdstmudstone泥岩shshale页岩clyst,clstclaystone粘土岩sdsand砂mSsdmediumsandstone中砂岩fsstfinesandstone细砂岩bldrboulder卵石pblpebble卵石grlgravel砾石cglconglomerate砾岩gywkgraywacke硬砂岩cblcobble大鹅卵石arkarkose长石砂岩grnlgranule粒砂brecbreccic角砾岩biocbioclastic生物碎屑岩vcrssstverycoarsesandstone极粗砂岩arglargillite泥板岩gypgypsum石膏anhyanhydrite硬石膏sltsalt盐岩flint—lingite隧石carbonate碳酸盐岩lslimestone灰岩,石灰岩dolodolomite白云石dolstdolostone白云岩mrlsmarlstone泥灰石coqcoquina贝壳灰岩biospbiosparte生物亮晶灰岩biomibiomicrite生物微晶灰岩clcarcalcarenite灰屑岩,钙屑灰岩clcltcalcilutite泥屑石灰岩micrmicrite微晶灰岩clcrdcalcirudite砾屑石灰岩clsltcalcisilitite粉砂屑石灰岩grstgrainstone粒状灰岩ooliticlimestone鲕状灰岩IgneousRock火成岩intrusiveigneous侵入岩extrusiveigneous喷出岩volccolcanic火山岩grtgranite花岗岩drdiorite闪长岩grdrgranodiorite花岗闪长岩qudrquartzdiorite石英闪长岩drpodioriteporphyrite闪长玢岩syenite正长岩gab,gbgabbro辉长岩qupoquartzporphyrite石英玢岩anandesite安山岩basbasalt玄武岩aragaragonite纹石,霞石MetaMetsmorphicrock变质岩phylphyllite千枚岩slslate板岩schschist片岩mblmarble大理岩gnegneiss片麻岩qtztquartzite石英岩novacnovaculite致密石英岩COLColor,Colour颜色blkblack黑色brnbrown棕色yelyellow黄色gy,grygrey灰色ororange橙色,桔色blblue蓝色gn,grngreen绿色wi,whtwhite白色pnkpink粉红色plpurple紫色lavlavender浅紫色,淡紫色bfbuff浅黄色tntan棕黄色chocchocolate褐色ochochve褐色,黄褐色olvolive橄榄色crmcream奶油色mottmotted杂色,斑点voclvaricoloree杂色得ambamber琥珀色ltlight淡得dk,drkdark暗得cccolorcode颜色代码Hardness硬度VHDveryhard非常硬MHDmiddlehard中硬Hhard硬SFTsoft软VSFTverysoft非常软Roundness磨圆sharpangular尖棱状angleangular棱角状subanglesubangular次棱角状subrndsubround次圆状rndround圆状wellround磨圆好GrainSizeTerminology颗粒大小术语(seeapp.Table)(见附表)Sorting分选gogood好ffair一般mdmedium中等prpoor差ccoarsely粗造Cementation胶结,胶结物cpcompact胶结致密dnsdense胶结密实wellwell胶结好lseloose胶结疏松sdyaresandyarenaceous砂质sdysandy砂质mdyaremudyargillaceous泥质ethyearthy泥质clyclay粘土质cal,calccalcarous钙质sisiliceous硅质limlimy灰质kaokaolin高岭土质carbcarbonaceous碳质得qtz