Obsidian

Basaltic Trachyandesite

Obsidian lan Basaltic Trachyandesite

Obsidian

Basaltic Trachyandesite

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1 Definition

1.1 definisi

obsidian punika kaca vulkanik alami kawangun minangka rock igneous extrusive. diprodhuksi nalika lahar felsic extruded saka gunung mbledhos ndingin kanthi cepet karo wutah kristal minimal

trachyandesite basaltic iku sawijining igneous rock extrusive kang jinis basalt rock lan kawangun dening cooling kanthi cepet saka lahar basaltic kapapar ing utawa cedhak lumahing bumi

1.2 Sajarah

1.2.1 asal

Ethiopia

dingerteni

1.2.2 panemu

obsius

Dingertèni

1.3 Etimologi

saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius

saka Mineral isi lan senyawa lan hubungan karo basalt lan rock awujud

1.4 kelas

batuan beku

1.4.1 sub-kelas

awet rock, medium atose rock

1.5 kulawarga

1.5.1 group

vulkanik

1.6 kategori liyane

rock opaque

rock grained nggoleki, rock opaque

2 Tekstur

2.1 tektur

glassy

glassy, massive, porphyritic, scoriaceous, vesicular

2.2 werna

ireng, biru, coklat, ijo, orange, abang, tan, kuning

ireng, coklat, cahya kanggo werna abu-abu peteng

2.3 pangopènan

kurang

2.4 kekiatan

awet

2.4.1 banyu tahan

✔ ✘

2.4.2 ngeruk tahan

✔ ✘

2.4.3 rereged tahan

✔ ✘

2.4.4 angin tahan

✔ ✘

2.4.5 asam tahan

✔ ✘

2.5 katon

mengilap

kurang lan alus

3 Kagunaane

3.1 arsitektur

3.1.1 Efesus interior

aggregates hiasan, interior

kothak lantai, homes, Hotel, pawon

3.1.2 Efesus njaba

Taman hiasan

minangka watu bangunan, mapeng watu, Taman hiasan, bangunan kantor

3.1.3 Efesus arsitektur liyane

durung digunakake

curbing, whetstones

3.2 industri

3.2.1 industri construction

arrowheads, alat nglereni, lading, scrapers, TCTerms tumbak

minangka watu ukuran, cobblestones, alur trek ballast, roadstone

3.2.2 industri medical

bedhah

durung digunakake

3.3 Efesus jaman

artefak, perhiasan

artefak, monumen

3.4 Panggunaan sanès

3.4.1 komersial

nggawe kriya, mirror, digunakake ing akuarium

reservoir lenga lan gas, tablet commemorative, nggawe kriya

4 Jinis

4.1 jinis

mercon obsidian, mahoni, Sheen obsidian, Snowflake obsidian lan Beludru merak obsidian

basalt alkalin, boninite, basalt alumina dhuwur, agêng segara Pegunungan basalt (morb), basalt tholeiitic, basaltic trachyandesite, mugearite lan shoshonite

4.2 fitur

pamblokiran negativity, mbantu kanggo ngreksa marang depresi

tahan struktural dhuwur marang erosi lan iklim, rock grained banget nggoleki

4.3 pinunjul arkeologi

4.3.1 monumen

durung digunakake

4.3.2 monumen misuwur

ora ditrapake

4.3.3 reca

durung digunakake

4.3.4 patung misuwur

ora ditrapake

4.3.5 Pictographs

used

4.3.6 petroglyphs

used

4.3.7 figurines

durung digunakake

used

4.4 fosil

absen

5 Tatanan

5.1 tatanan

nalika lahar dirilis saka gunung, iku diwiwiti saka cooling cepet banget kang freezes mekanisme saka crystallization. asil punika kaca vulkanik karo susunan Gamelan seragam.

basaltic trachandesite punika, hard rock nggoleki-grained sing formulir nalika bit lahar njupuk metu saka gunung.

5.2 komposisi

5.2.1 isi Mineral

ora kasedhiya

olivine, plagioclase, pyroxene

5.2.2 senyawa isi

aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide

5.3 transformasi

5.3.1 metamorphism

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5.3.2 jinis metamorphism

metamorphism kakubur, metamorphism cataclastic, kontak metamorphism