Betic maitiro

Nhasi tichataura nezvazvo Betic maitiro. Nenzvimbo, iri boka remakomo rinotambanuka kubva kuGulf yeCádiz kuenda kuValencian Nharaunda uye kumaodzanyemba kwemahombekombe eBalearic Islands. Kuenda kuchamhembe, vano muganhu weGuadalquivir Basin uye muganho wekumaodzanyemba weIberia massif neIberian System, nepo Alboran Sea iri pamuganhu wekumaodzanyemba. Nekudaro, sePyrenees, mupfungwa yejogirafi, inodarika miganho yenzvimbo, inosvika kumaodzanyemba nekuchamhembe kwakadziva kumabvazuva pasi peGungwa reAlboran, uye chikamu chechimiro chayo hachikanganisike nepazasi peMeditera. yeMallorca.

Munyaya ino tiri kuzokuudza zvese zvaunoda kuti uzive nezve Betic system, hunhu hwayo uye kukosha kwayo.

Mhando huru

Iyo yemakomo renji mhedzisiro yeanomanikidza mashandiro ayo akatanga kumagumo kweCretaceous makore angangoita mamirioni zana apfuura uye inonyanya kukanganisa mativi ekuchamhembe nekumaodzanyemba eIberian Plate. Chimiro chayo uye shanduko inotevera yakazonetsa nekuti imhedzisiro yekudyidzana kwemahwendefa maviri makuru uye kondinendi, nhasi Alboran microplate, iyo inoumba bhanhire remukati megomo, yakatamira kumadokero uye yakazopedzisira yadhumhana nemahombekombe eMesozoic. Iberia uye kuchamhembe kwakadziva kumadokero kweAfrica, vachigadzira nzvimbo yemakomo yeBetica-Rifeña.

Chimwe chezvinhu zvinonyanya kushamisa padanho rekortical ndechekuti hapana mhando yemidzi inowanikwa pasi pemakomo, sezvazviri kune mamwe maalpine orogenic masystem. Kunyangwe kumwe kukora kwechikamu ichi kuchionekwa, hakupfuure makiromita makumi mana mune chero zviitiko zvacho. Chimwe chinhu chinoshamisa padanho rekortical ndiko kuonda nekukurumidza kunoonekwa munzvimbo iri pamusoro pemahombekombe. uko hukobvu hweganda iri hwakatenderera makiromita makumi maviri nemaviri. Iyo nharaunda zvakare, ichienderera kupinda muAlboran Sea basin uko iyo yatove inosvika kune yayo shoma, iri gumi nemashanu makiromita pakureba.

Maumbirwo eBetic system

Tichifunga nezvehunhu hwekortical domain uye kushandiswa kweimwe petrological uye mamiriro ehurongwa, zvakatungamira kusiyanisa iyo Betic system senge iri muRif nzvimbo mbiri dzakakura pamwe nekusiyanisa vana uye kupatsanurwa kuburikidza nekubatana kwetectonic. Uyezve, nzvimbo mbiri idzi dzine rakasiyana paleogeographic mavambo. Ngatione kuti idzi nzvimbo mbiri kana matunhu ndeapi:

• Maodzanyemba Eberian Domain kana Nzvimbo dzekunze: Aya matunhu akasiyana mumatunhu ese emakomo uye anoumbwa neMesozoic neCenozoic matombo ari kutenderedza uye akapetwa asina chero mhando yekugadzirisa inoenderana nenzvimbo dzeTethys ocean marine basin.
• Alboran Domain kana Nzvimbo dzeMukati: aya matunhu akaumbwa. Kuunganidzwa kwema mantlide mantles nezvinhu izvo zvinonyanya kuve metamorphic. Mabviro ane hukama nekutama kweAlboran microplate iri kumberi kumabvazuva.

Pamusoro penzvimbo huru idzi, tinogona kusiyanisa iyo Betic system dzimwe nzvimbo dzakadai seinotevera:

• Fururu yeFlyschs yeCampo de Gibraltar: hapana chinzvimbo chinodomwa kwachiri sezvo rudzi rweganda parwuri rwunenge rwusinganyatso kuzivikanwa, rwakajairika mumakomo ese ari maviri uye ari pamativi ese eStrait yeGibraltar.
• Postorogenic Tertiary Kushungurudzika: izvi zvinodzorwa zvinoumbwa neogene uye quaternary sediment. Mazhinji ezviwanikwa izvi zvakagadzirwa nekukukurwa kwezvibodzwa munzvimbo yakatenderedza. Inosiyana zvakanyanya mumabheseni akasiyana emumahombekombe 3030 30 kuenda kumakomo - Kudzvinyirira kweGuadalquivir- nedzimwe nzvimbo dzemukati -Kudzvinyirira kweGranada, Guadix-Baza, Almería-Sorbas, Vera-Cuevas de Almanzora neMurcia kunyanya.
• Neogene-Quaternary kuputika kwemakomo: Inomiririrwa munzvimbo yeCabo de Gata neMurcia. Iyi volcano uye haienderane ne postogenic volcano kuratidzwa kwakabatana neazvino matekoni nekuda kwekuchinja kwakawanda kweplate.

Nzvimbo dzeiyo Betic system

Tichaongorora nzvimbo dzeBetic system uye hunhu hwavo. Tinotanga nenzvimbo yekunze.

Nzvimbo yekunze

Iwo ari Mesozoic neCenozoic sedimentary matombo, mazhinji eakabva mugungwa, akaumbwa muTethys basin kumahombekombe emakondinendi ekumaodzanyemba kweIberia, uye akaiswa mumakomo ealpine. Ivo vanotora kuwedzerwa kukuru kwegomo renzvimbo uye vanomiririra iyo nguva yenguva kubva iyo Triassic mazana maviri emamiriyoni emakore apfuura kuMiocene.

Ivo vanopa chimiro chinozivikanwa neyakajairika boka pakati peimba yepasi (Paleozoic varisco) nedombo rakaremara (makumbo, zvikanganiso uye chakaputirwa jasi). Paleozoic yepasi haina kubuda uye inogara pakadzika kwemakiromita mashanu kusvika masere, akaumbwa nematombo akafanana neIberian Massif. Kubva kunzvimbo yekutanga kwechikamu chekuvakazve, bheseni rekutanga riine kuwedzerwa kwakapetwa katatu zvakapetwa pane iriko izvozvi.

Kukanganisa kwemazera akasiyana kunoonekwa. Munguva yeJurassic nguva, kusagadzikana kwemamiriro kwakaitika izvo zvakakonzera kupatsanurwa kweTethys Basin kumatunhu ekusiyana kwemaitiro. Push yakatanga muCretaceous ikaenderera muPaleogene. Yekupedzisira uye yakakosha danho rekushanduka kwakaitika muMiocene, izvo zvakatungamira mukusimudzira makomo.

Nzvimbo yemukati

Iri kumucheto kwekumaodzanyemba kwemakomo eBetica, ichibva kuEstepona (Malaga) kumadokero kusvika kuCape Santa Pola pakati peMurcia neAlicante kumabvazuva.

Iyo paleogeographic nzvimbo yemukati yakatangira mberi kumabvazuva uye yaive chikamu cheAlboran kana Mesomediterranean microplate. Nekuvharwa kwerwizi rwekare Tethys, ichi chipenga chakaparadzaniswa kubva kuchamhembe kwakadziva kumabvazuva kweAfrica chakazotama zvichitevera nekuda kweshanduko. Paleozoic matombo anoonekwa munzvimbo yemukati meiyi microplate, iyo yakatanga kupetwa panguva yeVarisca orogen, uye yakadzurwa ikagadziriswa munguva yeAlpine Orogeny.

Iko kune angangoita asina Mesozoic matombo munzvimbo yemukati, kazhinji inowirirana nezvidimbu zvakaiswa kwakatenderedza microplates kana panguva yekufamba kwavo uye subsidence nhanho. Iyo Triassic yakasiyana nedzimwe dzese dzeBetic system, nekuti hwaro hwayo hwakagadzirwa nedombo rakabatira uye ese mamwe ma dolomite. Matombo eJurassic neCretaceous ndiwo macarbonate matombo. Kazhinji, kunze kwemamwe matomu eEcoene asina kugadzikana mumupendero, matombo ePaleogene haapo.

Ndinovimba kuti neruzivo urwu unogona kudzidza zvakawanda nezve Betic system uye maitiro ayo.