Morema ke eng, 'me moo e fumanoa mofuta

Haeba u botsa pele fumaneha motho, ke sona seo lejoe, ka maikutlo a hae, e leng robust ho fetisisa, ho ke ke haholo ho ka etsahala hore re se ke morema. Lejoe la matsoai ena ke tiileng haholo le e sebetsang, hammoho le motle haholo ka ponahalo, me ho joalo le e atisa ho sebelisoa ka ho haha. Ho phaella moo, e atisa ho sebelisoa ho etsa mefuta e fapaneng ya metsoako le khabisitsoeng le, ho akarelletsa le liemahale. e bakang lebitso le tsoa lentsoeng la Latin «granum», e kgetha ho "lijo-thollo".

morema ke eng

Metsoako e ka sehloohong la sena atile holim'a lefatše la lefika ke feldspar le quartz. Ho shebahala joaloka lejoe la morema-phofu? Photos le litlhaloso tsa mefuta e fapaneng ya bakang ho re Lejoe lena le ka haholo fapana ka 'mala, le se ke la tšoana le mefuta e meng e,' me nka mefuta e fapaneng ya shades tloha palo pinki le ho ipolaea le bohlooho. Ho penta ea morema, haholo-holo ho itšetlehile ka diminerale, e leng ke karoloana lona boima predominates holim'a tse ling kaofela tsa litho tsa bakang fanoeng. Feldspar tloaelo ho emeloa ke mefuta e fapaneng ya feldspar potassium le ka eketswa kapa albite oligoclase. A quartz inclusions a morema na le mofuta o mong oa nyenyane-boholo bo lekaneng khoahlapisitseng vitreous. Ea bobeli e ka ba le hanyenyane type genus kapa colorless. Ho phaella moo, ho arabela potso ea hore na ke karolo ea morema, le be le bonnete ba hore ho ela hloko kenyelletsoa ha lintlha tsa muscovite le biotite, hammoho le lintho tse tse kang zircon, magnetite, thaethaniamo, apatite le allanite. Leha ho le joalo, le dikahare ka diminerale ena haholo, hanyenyane haholo. A thathamisa mesebetsi lintho tseo kaofela ha tsona e na le morema, re ela hloko hore ka ho ata kapa ho hloka dikarolo tse itseng tsa eona li qala ho bua ka mefuta e sa tsoaneng tse ling tsa majoe. E le, haeba ho na le ho honyenyane haholo potassium feldspar le quartz, ho oela sehlopheng la quartz diorite kapa monzonite. 'Me haeba a morema-phofu a kgolo haholo boima karoloana ea stalagmite, matsoai ena e nkoa e granodiorite,' me ka dikahare tlaase haholo oa liminerale mafic - leucogranite.

Mobung, meepo

Hang re hlahloba ka ho qaqileng, seo e se e na le morema, bolella hanyane ka moo diminerale ena e fumanwa le moo e epilwe. Ka tlhaho, bakang sena larileng ka lihlopha ka toka a maholohali a tsejoa e le batholiths. botenya bona ke 3-4 km le nako e telele 'me hangata feta km 100 lisekoere. Hape, mobung ea morema ka nka sebōpeho sa metšoasong le dikes. Hangata, dikarolo tsa diminerale ena ba sebakeng e mong ka holimo e mong, le ho etsa lintho ka lera sedimentary kapa mafikeng metamorphic. Mobung a mafika granitic, ho na le ka ho feletseng ka hohle k'honthinenteng. Hangata ka ho fetisisa ba li fumanoa libakeng tseo ho tsona e ne e le matla khoholeho ea mobu le ho denudation dithulaganyo, ka lebaka la ho eo botšepehi ba sedimentary lefika e robehile. Ka US, mobung morema leng teng e haufi le Ozark Plateau ka mosiko oa Rocky Lithabeng 'me lithaba tsa Black Hills. Russia, matsoai ena e haholo-holo sebakeng Urals, e ka bochabela ea Siberia le Bochabela bo Hōle.