prirodak - usazene horniny Flashcards

(33 cards)

1
Q

druhy usazenych hornin:

A

ulomkovite, chemicke a organogenni

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2
Q

jak vznikaji ulomkovite?

A

vznikaji nahromadenim ulomku

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3
Q

jak vznikaji chemicke?

A

vznikaji krystalizaci z roztoku

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4
Q

jak vznikaji organogenni?

A

vzinkaji z pozustatku organismu

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5
Q

? souvrstvi

A

soubor vrstev podobneho horninoveho slozeni

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6
Q

? mocnost

A

tloustka vrstvy

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7
Q

? vrstevni sled

A

poradi, v jakem se vrstvy usazovaly

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8
Q

? podlozi

A

vrstvy lezici pod zkoumanou vrstvou

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9
Q

? nadlozi

A

vrstvy lezici nad zkoumanou vrstvou

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10
Q

? prevraceny vrstevni sled

A

u zvrasnene vrstvy

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11
Q

usazene ulomkovite nezpevnene horniny:

A

sterk, pisek, jil, spras

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12
Q

usazene ulomkovite zpevnene horniny:

A

slepenec, brekcie, piskovec, jilovec, jilovita bridlice, kremenec, opuka

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13
Q

? slepenec

A

zaoblene ulomky sterku se stmeli tmelem

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14
Q

? brekcie

A

ostre ulomky sterku se stmeli tmelem

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15
Q

? piskovec

A

zrnicka pisku se stmeli tmelem

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16
Q

? jilovec

A

ulomky jilu se stmeli

17
Q

? jilovita bridlice

A

ulomky jilu se stmeli, plochy tvar

18
Q

? kremenec

A

zrnicka kremiciteho pisku se stmeli tmelem

19
Q

? opuka

A

bila, stavebni kamen

20
Q

jak vznika chemicky vapenec?

A

vznika krystalizaci z organogenniho vapence

21
Q

? travertin

A

porovity vapenec

22
Q

jeskyne s krapniky:

A

stalaktity (dolu)
stalagmity (nahoru)
stalagnaty (spojene)

23
Q

? zavrty

24
Q

? kominy

A

svisle uzke dutiny

25
? skrapy
vycnelky
26
? kras
vapencove uzemi s krasovymi jevy (Moravsky kras, Cesky kras)
27
usazene organogenni horniny:
vapenec, raselina, cerne uhli, hnede uhli, ropa, jantar
28
jak vznika vapenec?
nahromadenim a zpevnenim schranek zivocichu
29
? raselina
z raseliniku (=mech)
30
? cerne uhli
prvohorni preslicky a kapradiny zapadaly do bazin, kde nebyl vzduch a zuhelnately (= zkarbonizovaly)
31
? hnede uhli
vzniklo podobne jako cerne uhli ale az v tretihorach z jehlicnatych stromu
32
? ropa
vznikla ze zbytku rostlin a zivocichu pod tlakem nadloznich vrstev
33
? jantar
prirodni zkamenela pryskyrice