辽工大专业英_2

《辽工大专业英_2》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。

1、在野外调查和对已有地质资料进行研究的基础上Basedonfieldinvestigationandexistedgeologicaldataresearching,thepaperexpatiatesonthebackgroundofnonmetalliemine"sformationinChifengarea,analysisthecharacteristicsofnonmetallicmines‘distribution,andselectiveanalysisthemetallogenyfeatureofperlit®zeolite，bent

2、onite，pyrophyllite,kaolinitcandfluoritedeposits.Theresearchshowsthatthetemporalandspatialdistributionofperlite-zeolite-bentonitemetallogenicseriesandthepyrophyllite~kaolinitemetallogenicseriesaremainlycontrolledbyNNEregionalfaultandmesozoicvolcanicformation.Furthermore,thepape

3、rexpoundsthemineralization，scontroleffeetonthedeposits'genetictypeandsyntagmaticrelation,thecontroleffeetofmetallogenicosigi^alrocksondepositcharacteristicsandtheinfluenceofmetallogenicmicroenvironmentondeposits，transformation.Inconclu^on,thegeneticmodelsofperlite_zeolite_bent

4、oniteandpyrophyl1ite-kaolinite

5、ore~hostrock.SpatialdistributionismainlycontrolledbyNE-NNEfault,andthecompressionandscissorfaultisinfavorofmineralize.Themetallogenicepochoffluoriteddi)ositcanbedividedintomiddlelowertemperaturehydrothermal夕ndsupergene,andtheformercanbefurtherdevidedintoearly,middle,latermetal

6、logeniticstages.Intheverticalprofi1e,fromupperto1owermineralizationzoningisdividedintosilicifiedtectum,^uartzve^zone,fluoriteveinzoneandpinchzone.Finaly,thegeneticmodelsofmiddlelowertemperaturehydrothermalfillingmetasomatismtypefluoritedepositinChifengareaisestablished.Finally

7、,thepaperdismissestheprospectingpotentialofmainnonmetallicminefromtheore-bearingformat!onpointofview.“宁多無:喩潼life的沉积铁矿类型NingxiangtypeikondepositisanimportantkindofirondepositsinChina,whichisrichiniheHunan-Kiangsiborderarea.Throughconductingthescientificandreasonableminerogeneti

8、cprospectiveprediction,notonlyrealizetWl>ustairmbledevelopmen