Geology of the Dolomites

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摘要 TheDolomitesregionisaspectacularlyexposedportionoftheSouthernAlps,anorthernItalianchainderivedfromthecomparativelygentledeformationoftheTethyanpassivecontinentalmarginofAdria.TheregionhadanactivePermo-Jurassictectono-magmaticevolu-tion,leadingfromPermianmagmatism,throughaMid-dieTriassicepisodeoffastsubsidenceandvolcanism,totheJurassicoceanicbreak-up.AlthoughthesedimentarysuccessionrangesinagefromMiddlePermiantoCreta-ceous,thegeologicallandscapeislargelydominatedbythemajesticTriassiccarbonates,makingtheareaaclas-sicalonefortheearlyMesozoicstratigraphy.Particu-larlynoteworthyaretheAnisiantoCarniancarbonateplatforms,recordinganevolutionfromregionalmuddybankstoisolatedhigh-reliefbuilduos.Thehllineofthevariousbasinsandthedevelopmentofalastgenerationofregionalperitidalplatformfollowed.ThecarbonateplatformsoftheDolomitesbearwitnesstoaremarkablesetofchangesinthecarbonateproductionandtosignif-icantpalaeoclimaticfluctuations,fromaridtomoistcon-difionsandviceversa;agreatrangeofmarginandslopedepositionalstylesisthereforerecorded.Alpinetectonicshorteningstronglyaffectedthearea,withafirstEocenedeformation,followedbylaterNeogeneoverthrustingandstrike-slipmovements.
机构地区 不详
出处 《地质幕:英文版》 2003年3期
出版日期 2003年03月13日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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