简介:下扬子地区二叠纪缺氧环境沉积物V/(V+Ni)特征李双应,金福全(合肥工业大学资源与环境科学系,合肥230009)关键词V/(V+Ni)比值,缺氧环境,二叠纪,下扬子地区下扬子地区二叠纪的缺氧沉积,近年来引起了许多研究者的关注[1~3]。这一方面是因...
简介:ThisarticleprognosticatesthehydrocarbongenerationpotentialofcoresamplesfromfieldsA,B,CandDinNigerdelta,Nigeria.Theobjectivesofthisstudyaretocharacterizethequalityofthesecoresamplesbyorganicgeochemicalanalyses.AtotaloftencoresamplescollectedfromfieldsA,B,CandDinNigerdeltawereanalyzedusingtotalorganiccarbon(TOC)contentanalysis,rock-evalpyrolysistechnique.Theanalyticalresultsofthestudiedcoresamplesrevealthattheyhavegenerallyhightotalorganiccarboncontents(TOC),suggestingthatconditionsintheNigerdeltafavourorganicmatterproductionandpreservation.ThereisavariationinthekerogentypesandthismaybeattributedtotherelativestratigraphicpositionsofthecoresampleswithintheNigerdelta.Therock-evalresultsindicatethatthesamplesfromfieldsCandDcontainpredominantlyTypeIIkerogenwithacapacitytogenerateoilandgasandhencehavegoodgenerativepotential.ThesamplesfromfieldsAandBcontainmainlyTypeIIIkerogenandaregas-pronewithmoderategenerativepotential.
简介:基本内容参见《矿物学报》1982年第一期77—79页及《矿物学报》1984年6月第二期《有关提交新矿物的手续及注意事项》一文。AmericaMineralogistVol.72,P.1031—1042,1987,ProceduresinVolvingtheIMACommissiononNewMineralsandMineralNamesandGuidelinesonMineralNomenclature一文。增加如下条款(限适用于中国):1.提交新矿物资料时,应同时提交矿物的汉语名称、英语名称、作者的汉、英名字及汉英详细地址。资料要求一式17份(照片要原件),申报人在申报资料中应说明各数据的测试及实验条件。