Metamorphic matombo

Zvakasikwa, pane akasiyana siyana pamusoro pamatombo: sedimentary, metamorphic uye magmatic. Vose zvinomiririra akakura zvimwe zvicherwa.

Munyaya ino tichakurukura muudzame zvinodzidziswa metamorphic matombo. We tsanangura mhando, unhu uye nzira dzokushandisa indasitiri.

Asi kupfuura zvose, zvinofanira kukuudza kuti matombo akadaro. Izwi iri rinoshandiswa kureva makemikari zvakaita yeimwe izvo yakaumbwa muna goko.

Metamorphic mabwe ndiwo mugumisiro yokuwana yakakwirira tembiricha kumanikidza simba pamusoro zvicherwa zviri magmatic kana sedimentary mavambo. Makemikari anoumba zvicherwa hakuiti kumbotambudzika kuchinja, asi ivo wana mutsva unaku nechivako.

metamorphic zvicherwa zvakawanda zvakasiyana shale (kuvapo matete kuapa). mamirire Izvi zvinoratidza chicherwa inotungamirwa nzira (zvaoma). zvicherwa kwakadaro anokwanisa kumedura bwendefa.

Kana muitiro rokutendeutsa dzimwe zvicherwa (metamorphism) rinowanikwa pasi zvinoitwa kupisa intrusive guru pane kudzika kudzika, muchiitiko ichi, metamorphic matombo achava rogovistuyu yakarongeka. Izvi nomuenzaniso hornfelses (biotite, pyroxene, amphibolite) yakaumbwa ivhu.

Pfungwa metamorphism (kuchinja) anogona pasi chero zvicherwa - igneous, sedimentary kana metamorphic mavambo. Chero transformations akaita mumatombo achishandisa recrystallization mu yakasimba mamiriro. The mwero Kushandurwa kutanga zvicherwa anogona siyana chaizvo, kubvira diki okunatsiridza kune zvikuru kuchinja murwiyo uye chimiro Zvisaririra. Mhando metamorphism kuri zvakasiyana. Zvinogona kuitika chete chisimbiso chiduku, kana anogona kupedza recrystallization pakati zvicherwa.

metamorphic matombo ose chigadzirwa nomuzvarirwo yechipiri. Zvichienderana ukuru kutendeuka, pane mhando dzakawanda iitike zvicherwa:

• The kuonana. It zvauya kubva kupindira kuti magma (sumo panyika nechepasi) uye kudyidzana dzaro sediments. Zvicherwa yakadaro aumba pasi pokudzora dzvinyiriro nokupisa. Zvisaririra kwakadaro anoti machena, skarn, migmatite. Species kuonana metamorphism vacho crystalline, hombe, uye saccharoidal slabosloistoe mamiriro, sezvamakaropafadzwa Zvinoumba zvicherwa preperpevaet kuchinja.
• Regional (zvakadzama). nadzurudzo kwacho kunoitika panguva huru pakadzika dzakakwirira kumanikidzwa kudyidzana, tembiricha uye zvinwiwa. The mineralogical Kuronga zvicherwa munyika iyi, regai nguva dzose ini. Rora siyana crystalline shale, zvakasimba mamiriro.
• Avangard metamorphism. Kushandurwa kwacho rinowanikwa mune tectonic mahwendefa pasi kumusoro kumanikidzwa. Panguva dzakasiyana-siyana zvicherwa vakaumba mapazi simba kuchidonha uye pazvirugu yakaoma. zvisaririra ava mylonites uye Ka-taklazity.

Kazhinji metamorphic matombo inowanikwa zvakasikwa muchimiro mutsinga, strata uye lenses. Kazhinji havadarowo yepakutanga chimiro chicherwa kuwanika asi kana uchikurukura intrusions magma zvicherwa anogona irregularly kuumbwa.

Metamorphic zvicherwa anoshandiswa munyika senzira decoration, kuvaka uye zvishongo zvinhu (quartzite, machena, schist, gneiss). Vanewo kushandiswa sezvo maindasitiri mbishi zvinhu (asbestos, talc, etc.). Yezvakaita metamorphic matombo kazhinji iri pedyo deposits zvicherwa, anokosha uye Semi-anokosha (Ruby, nedhaimani nejedhi, Garnet, etc.).