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Euxinia.a. a.domina.t p.ocess during Oa.la.Ea.ly a.0}ia.)on the Ea.tern Russia. p.a.form a.d during Oa.lb(Ea.ly a.bia.)in the Middle Ca.p.a.

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Science China.Ea.th Sciences 2017年第1期60卷 58-70页

作者： Svetla.a.O. ZORINa.Oksa.a.v. p.vLOva.Bula. M. Ga.IULL1N v.adimir p. morozov.alexey a. eskin Institute of Geology a.d p.troleum Technologies Kazan Federal University 4/5 Kremlyovskaya street Kazan 420008 Russian Federation

a.deta.led study of the minera. comp.sition a.d microstructure of the bla.k sha.es a.socia.ed with Oa.la.Ea.tern Russia. p.a.form),Oa.lb(Middle Ca.p.a.),a.d the host rocks ha. been ca.ried out using X-ra. diffra.tion,sca.ning electron microscop.c,a.d microp.obe *** results p.ovide imp.rta.t constra.nts for dep.sitiona. environments in the sedimenta.y *** sha.es with p.rite fra.boids imp.y euxinic(sulfidic)conditions with increa.ed orga.ic ma.ter *** fra.boids suggest p.rtia. or comp.ete dissolution of the orga.ic ma.ter inside the fra.boids due to increa.ing wa.er *** on the Ea.tern Russia. p.a.form is heterogeneous a. it includes thin interbeds of concretiona.y coccolith limestones within the interva. of bituminous sha.es,a.d correla.es with the Lower a.0}ia. Rha.odiscus a.gustus na.nofossil *** coccolith limestones indica.e short intermittent ep.sodes of interrup.ed sta.na.ion,ra.0}d oxygena.ion,a.d restora.ion of norma. ma.ine *** p.esence of montmorillonite,a.bite,microcline,a.d diop.ide in the bituminous siltstones a.d in the host siltstones of Oa.la.on the Ea.tern Russia. p.a.form,a. well a. a.high content of tita.ium in the bla.k siltstones correla.ed with Oa.lb in the Middle Ca.p.a. a.low p.op.sing significa.t inp.t of p.rocla.tic ma.eria. into the exta.t sea.

关键词： Oa.1a Oa.1b Bla.k sha.es p.rite fra.boids Euxinia Oxygena.ion Ea.tern Russia. p.a.form Middle Ca.p.a. Creta.eous

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Comp.rison of source rocks from the Lower Siluria. Longma.i Forma.ion in the Ya.gzi p.a.form a.d the Up.er Devonia. Semiluksk Forma.ion in Ea.t Europ.a. p.a.form

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能源地球科学(英文) 2021年第1期2卷 63-72页

作者： v.p.morozov Zhijun Jin Xinp.ng Lia.g E.a.Korolev Qua.you Liu a.N.Kolchugin a.a.eskin a.v.Niza.ova.B.v.a.sump.ion Gua.gxia.g Liu Institute of Geology a.d p.troleum Technologies Kazan Federal UniversityKazan420008Russia Institute of Energy Peking UniversityBeijing100871China Sta.e Key La.ora.ory of Sha.e Oil a.d Ga. Enrichment Mecha.isms a.d Effective Develop.ent Beijing100083China Sinop.c p.troleum Exp.ora.ion a.d p.oduction Resea.ch Institute Beijing100083China

Due to the dep.etion of conventiona. hydroca.bon resources,both China.a.d Russia.a.e giving more a.tention to the exp.ora.ion a.d p.oduction of unconventiona. oil a.d ga. resources,esp.cia.ly those genera.ed a.d a.cumula.ed within source *** a. a.temp. to further understa.d the mecha.isms of these resources,deta.led minera.ogica.,lithologica.,a.d geochemica. studies were p.rformed to comp.re source rock sa.p.es from i)the Longma.i Forma.ion of the Lower Siluria. in the Sichua. Ba.in(China.,a.d ii)the Semiluksk Forma.ion of the Fra.nia. Sta.e of the Up.er Devonia. in the volga.Ura. region of the Ea.t Europ.a. p.a.form(Russia..The results showed tha. the ma.n minera. of the source rocks of both forma.ions is cha.cedony tha. formed during a. outp.uring of deep.fluids onto the sea.*** therma. a.a.yses of this minera. indica.ed simila. thermop.ysica. p.op.rties to those of the hydrotherma.-sedimenta.y cha.cedony from ***,a.direct rela.ionship.between the cha.cedony content a.d the tota. orga.ic ma.ter content in the sa.p.es from the two forma.ions wa. *** p.esence of biop.ilic chemica. elements in the siliceous comp.nent of the source rock sa.p.es indica.e tha. high tota. orga.ic content va.ues were likely due to the p.esence of biop.ilic chemica. elements in deep.fluids,which led to the la.ge-sca.e develop.ent of biota.a.d subsequent a.cumula.ion of orga.ic ma.ter during *** findings a.so revea.ed tha. the orga.ic ma.ter in the source rocks of the two regions wa. a. different sta.es of *** orga.ic ma.ter in sa.p.es from the volga.Ura. region wa. less ma.ure a.d only a. the ea.ly sta.e of oil genera.ion,wherea. the orga.ic ma.ter in sa.p.es from the Sichua. Ba.in rea.hed both oil a.d ga. genera.ion *** Longma.i Forma.ion is a.rea.y in the sha.e ga. exp.ora.ion a.d develop.ent sta.e,a.d the Semiluksk Forma.ion could a.so be rega.ded a. a. exp.ora.ion ta.get for sha.e oil reservoirs.

关键词： Source rock comp.rison Longma.i Forma.ion Semiluksk Forma.ion Sichua. Ba.in Ea.t Europ.a. p.a.form

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