Metamorphic matombo

Metamorphic matombo

ari Metamorphic matombo Iwo iboka rematombo akaumbwa nekuvapo kwezvimwe zvinhu mukati meNyika, zvese nenzira inonzi metamorphism. Shanduko yaro yaive mhedzisiro yekutevedzana kwemineralogical uye structural zvigadziriso zvakashandura dombo rekutanga kuita dombo remetamorphic. Nekuda kwekwavakabva, panogona kuve nechikamu pakati pematombo egneous uye metamorphic, kubva kwavakaberekerwa. Kudzidza kwematombo aya kunopa ruzivo rwakakosha nezve ese geological maitiro anoitika paPasi uye kuti anogona kuchinja sei nekufamba kwenguva.

Muchinyorwa chino tichakuudza nezve maitiro, kuumbwa uye kwakabva metamorphic matombo.

Mhando huru

mhando dzemetamorphic matombo

Metamorphic matombo anoshandurwa nekupisa, kudzvanywa, uye makemikari maitiro. Kazhinji kuvigwa zvakanaka pasi pevhu. Kutarisana nemamiriro ezvinhu akanyanya aya kwakashandura mineralogy yedombo, magadzirirwo, uye chimiro chemakemikari. Kune maviri akakosha marudzi emetamorphic matombo: Metamorphic matombo

  • foliate zvakadai segneiss, phyllite, shale, uye slate, iyo inokura chitarisiko chepamusoro kana bhanhire nekuda kwekupisa uye kutungamirira kumanikidziro; Y
  • not foliated zvakadai semarbles asina mashizha uye quartzites pasina kuonekwa kwezvikamu kana mabhandi.

Metamorphic matombo angangove asingazivikanwe uye anowanzo kuvhiringika kana kusanganiswa nevamwe nevaya vasiri nyanzvi mune geology uye petroloji. Zvisinei, Aya matombo haana kungowanda zvakanyanya pasi pevhu. iwo zvakare chigadzirwa chesarudzo kune akawanda geological uye tectonic phenomena, sekuumbwa kwemakomo.

Kudzidza kwemetamorphic matombo kwakakosha kuti unzwisise shanduko ye geological yepasi. Zvakare, izvi zvinofanirwa kufarira zvikuru kune vanotora zvicherwa, metamorphic matombo anomiririra yakajairika geological nharaunda uko kune akawanda anotsvakwa zvakanyanya emhando dzemaminerari anogona kuwanikwa, akadai segarnet uye beryl. Mamiriro ezvinhu ose anoita kuti matombo ashanduke kuva matombo matsva anonzi metamorphism, izwi rinobva pashoko rechiGiriki rinoreva. .

metamorphism mune metamorphic matombo

kuumbwa kwedombo

Metamorphic matombo anoumbwa ne-soli-state recrystallization yematombo agara aripo, angave pazvikero zvakakura kana zvemunharaunda, semugumisiro wekumanikidzika kwepamusoro uye / kana kutonhora kwakanyanya kunoitika pasi pemamiriro ezvinhu chaiwo uye semugumisiro wemaitiro chaiwo e geological.

Izvi zvinoreva kuti kana chero rudzi rwedombo (ringava igneous, sedimentary, kana metamorphic) rakasimba, rinenge rakasiyana zvakasiyana-siyana pane dombo rekutanga. yakanga iri mukuenzanisa, kugadzira rudzi rutsva rwedombo ... Izvi zvichasiyana kubva kune yekutanga muchimiro, magadzirirwo, mineralogy, uye dzimwe nguva kuumbwa kwemakemikari (apo chiito chemineral-rich leachate chinokanganisawo metamorphism).

regional metamorphism

Regional metamorphism inoitika apo matombo anounzwa pakadzika dzika zvichienderana nekwaakabva. Hukuru hwedunhu metamorphism hunoenderana zvachose nekudzika, sezvo tembiricha uye kumanikidza zvichiwedzera nekudzika. Matombo ane maitiro akafanana ekutanga uye anowedzera kududzira shanduko vanoumba metamorphic series umo tinowana semuenzaniso ivhu rinoumba mamwe matombo. Semuenzaniso, nzvimbo yakaderera metamorphic rock is slate, iyo inoumba ndege dzakafanana mushure memetamorphism. Mimwe mienzaniso ndeye quartzites uye magmatic matombo.

kuonana nemetamorphism

Iyi mhando yemetamorphism inoitika apo matombo anotorwa nemagma anosimuka kubva munzvimbo dzakadzika kuenda kumusoro. Ndosaka ichinzi "contact."

Iyi nzira inowanzobatanidza recrystallization yezvicherwa zviripo, izvo vanowana zvimiro zvitsva uye zviyero. Izvi zvinokonzerwa nekunyungudika kunowanikwa nemineral sezvo tembiricha inowedzera. Marble muenzaniso wedombo rakadaro.

fission metamorphism

Mhando yechitatu yemetamorphism inoitika mumatombo epamusoro anotsikirirwa kana kufamba kwegoko renyika kunoasundidzira akanangana. Chiyero che metamorphism chinoenderana nekusimba kwekumanikidza.

Dzimwe nguva zvicherwa zvakakura zvinoumbwa, mumienzaniso iyi tinogona kuwana mylonite.

Zvishandiso zvemetamorphic matombo

metamorphic dombo kuumbwa

Nzira yekugadzira metamorphism inokonzera kuchinja kwakawanda mumatombo aya, pakati payo kuwedzera kwehuwandu, kuwedzera kwekristasi, kugadziriswa kwemaminerari ezviyo uye kuchinjwa kwemaminerari ekudzika-kupisa kuva maminerari ekupisa. Aya maitiro ndeapi matombo anogona kugoverwa, asi isu tichatsanangura imwe neimwe hunhu hwematombo aya, kazhinji isu tichataura nezve matombo akajairika, sezvo paine akasiyana matombo muboka iri, isu tichatanga neizvi:

  • Slate uye phyllite: Dombo iri rine runako rwakanaka kune runyoro rwakanaka. Iyo inonyanya kuumbwa neakaiswa silicates uye quartz; feldspar inowanikwawo kazhinji. Nekuda kwekutariswa kweiyo phyllosilicates, matombo ane foliated uye anowanzo kune fission. Iwo matombo asina kushandiswa nhasi, asi akashandiswa pakudzivirira mvura matenga.
  • Shale: Iri dombo rine svikiro kusvika kune yakaomeswa zviyo zvemavara ane akadudzwa foliation, uye mamineral zviyo mune iyi kesi anogona kusiyaniswa neziso rakashama. Kushandiswa kwemhando iyi yematombo mukuvaka, sezvo yakasimba uye yakasimba. Zvitubu zvaro zvinogona kuva ivhu nemadhaka, kusanganisira maitiro epakati.
  • Gneiss: Mabviro ayo akafanana nemaminerari egranite (quartz, feldspar, mica), asi ine zonal orientation, uye chiedza uye rima toni izvo zvicherwa zvinokonzeresa zvakare chibereko chemetamorphism yeigneous uye sedimentary matombo. Kushandiswa kwaro kwakaiswawo mukuvaka, kunyanya mukugadzira pixelated kukuvara, cobblestones, nezvimwe.
  • Marble: Mamiriro edombo iri anotangira kubva kune yakanaka kusvika kune gobvu, mabviro ayo anobva kune limestone kusvika kucrystallization, dombo iri rinogona kubva kune maitiro akadai semetamorphism, magma, hydrothermal, sedimentation, nezvimwe. Uyezve, calcium carbonate inopa mavara akasiyana kune marble uye inotsanangura maitiro ayo emuviri. Kushandiswa kwaro kunobva pakushongedza kusvika pakashandiswa muunyanzvi uye mukuchera matongo.
  • Quartzite: Sezvinoratidzwa nezita racho, dombo iri rinonyanya kuumbwa nemaminerari e quartz uye rine chimiro chisina mashizha, chinowanikwa sechigadziro che shale nekuda kwekugadzirisa zvakare pakupisa kwepamusoro uye kumanikidzwa. Kushandiswa kwaro kuri mumetallurgical process uye mukugadzira silica zvidhinha, mamwe mashandisirwo ematombo ekushongedza mumagadzirirwo nemifananidzo.

Ndinovimba kuti neruzivo urwu unogona kudzidza zvakawanda nezve metamorphic matombo uye maitiro avo.


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  1. Inotarisira iyo data: Miguel Ángel Gatón
  2. Chinangwa cheiyo data: Kudzora SPAM, manejimendi manejimendi.
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