kamnine Flashcards

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1
Q

kamnine

A

iz mineralov ali rudnin; lahko so iz enega minerala npr. apnenec; ali iz večih mineralov npr. granit

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2
Q

delitev glede na kemijsko sestavo

A

karbonatne (CaCO3 - apnenec); kemično preparevajo, so prepustne, kraško površje
silikatne (SiO2 - kremen); neprepustne, magmatske in metamorfne

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3
Q

delitev glede na nastanek

A

magmatske, metamorfne, sedimentne

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4
Q

magmatske

A

nastanejo z ohlajanjem magme
globočnine-granit, tonalit
predornine-andezit, bazalt, diabaz

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5
Q

metamorfne

A

nastanejo z metamorfozo=preoprazbo magmatskih ali sedimentnih kamnin; visoke T ali tlak; gnajs iz granita, marmor iz apnenca, blestnik na Pohorju

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6
Q

sedimentne

A

nastale z usedanjem v tetisu, v 190 mio. letih= debelina 10km; ločimo mehanske, kemične in biokemične

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7
Q

mehanske sedimentne (6)

A

nesprejete
sprejete: grušč>breča; prod>konglomerat; pesek>peščenjak; glina>glinavec; glina, apnenec, dolomit>lapor; peščenjak, lapor>fliš

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8
Q

kemične sedimentne

A

usedanje v morjih ali slanih jezerih; apnenec, dolomit, kamena snov

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9
Q

biokemične sedimentne

A

školjčni apnenec, koralni apnenec

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