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1、采煤概论复习题（ReviewquestionsofCoalMiningConspectus）ReviewquestionsofCoalMiningConspectus1,whatiscalledgeologicalaction?Whataretheformsofinternalandexternalgeologicalactions?Theroleofnaturaldynamicsincrustalmaterialcomposition,internalstructureandsurfacemorphologychangesanddevelopmentiscalledgeologicalpr
2、ocess.Internalforcegeologicalactionincludescrustalmovement,magmaticactivity,metamorphismandearthquakeaction.Externalforcegeologicalactionisdividedintoweatheringanddenudation,transportationanddeposition,andconsolidationdiagenesis.2,whatarethecommonsedimentaryrocks?Commonsedimentaryrocksarebreccia,co
3、nglomerate,sandstone,mudstoneandshaleandlimestone.3.Describetheformationprocessofcoal.(discussiontopic)(1)plantsformpeatorslimethroughthecarbonizationofmudortheactionofmud.2)incoalificationintohumiccoalorsapropelite.3)metamorphosedintoligniteorbituminouscoalbymetamorphism.4)changedintoanthraciteaft
4、erfurthermetamorphism.4,whataretheindicatorsthatreflecttheexistingstateofcoalseam?Howarecoalseamsclassifiedaccordingtothicknessanddipangle?Theindexesofcoalseamoccurrenceincludecoalthickness,structureandstability.Coalseamisdividedintothinseam,mediumthicknesscoalseamandthickcoalseamaccordingtothickne
5、ss.Thecoalseamisdividedintogentlyinclinedcoalseam,inclinedcoalseamandsteepinclinedcoalseamaccordingtodipangle.5.Whatarethefactorsthatreflecttheattitudeofcoalseams?Theoccurrencefactorsofcoalseamaretrend,dipanddipangle.6,whatarethetasksofcoalgeologicalexploration?Coalgeologicalexplorationisdividedint
6、oseveralstagesWhatarethemethodsofcoalgeologicalexploration?(simpleanswer)Thetaskofcoalgeologicalexplorationistounderstandthecoalreserves,thegeologicalconditionsoftheminefield,theconditionofcoaldeposits,thehydrogeologicalconditions,theminingtechnicalconditions,coalresources,coalqualityandotherminere
7、sourcesconditions.Coalgeologicalexplorationintocoalprospecting,miningsurveyandIdaeffect.Themethodsofcoalgeologicalexplorationincludegeologicalsurveymethod,miningengineeringmethod,drillingengineeringmethodan
