Andesit

Obsidian

Andesit lan Obsidian

Andesit

Obsidian

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1 Definition

1.1 definisi

andesit punika rock vulkanik penengah peteng, nggoleki-grained, coklat utawa greyish kang umumé ditemokaké ing lahar

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

1.2 Sajarah

1.2.1 asal

lor amerika

Ethiopia

1.2.2 panemu

Dingertèni

obsius

1.3 Etimologi

saka andes gunung, ngendi kang ketemu ing turah mbrawah

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

1.4 kelas

batuan beku

1.4.1 sub-kelas

awet rock, hard rock

awet rock, medium atose rock

1.5 kulawarga

1.5.1 group

vulkanik

1.6 kategori liyane

rock grained nggoleki, rock opaque

rock opaque

2 Tekstur

2.1 tektur

aphanitic kanggo porphyritic

glassy

2.2 werna

bluish - werna abu-abu, grey, pink, kuning

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

2.3 pangopènan

liyane

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

kurang lan alus

mengilap

3 Kagunaane

3.1 arsitektur

3.1.1 Efesus interior

aggregates hiasan, kothak lantai, homes, interior, pawon

aggregates hiasan, interior

3.1.2 Efesus njaba

bangunan kantor, kothak gendheng

Taman hiasan

3.1.3 Efesus arsitektur liyane

curbing

durung digunakake

3.2 industri

3.2.1 industri construction

cobblestones, kanthi jumlah ongko construction, kanggo dalan kanthi jumlah ongko

arrowheads, alat nglereni, lading, scrapers, TCTerms tumbak

3.2.2 industri medical

durung digunakake

bedhah

3.3 Efesus jaman

artefak, monumen, reca, figurines cilik

artefak, perhiasan

3.4 Panggunaan sanès

3.4.1 komersial

tablet commemorative, nggawe kriya

nggawe kriya, mirror, digunakake ing akuarium

4 Jinis

4.1 jinis

icelandite

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

4.2 fitur

umume atos kanggo tutul, isi silika dhuwur, iku salah siji saka rock tuwa

pamblokiran negativity, mbantu kanggo ngreksa marang depresi

4.3 pinunjul arkeologi

4.3.1 monumen

used

durung digunakake

4.3.2 monumen misuwur

tengah bumi ing Ekuador

ora ditrapake

4.3.3 reca

used

durung digunakake

4.3.4 patung misuwur

data ora kasedhiya

ora ditrapake

4.3.5 Pictographs

ora digunakake

used

4.3.6 petroglyphs

ora digunakake

used

4.3.7 figurines

used

durung digunakake

4.4 fosil

absen

5 Tatanan

5.1 tatanan

andesit punika rock igneous nggoleki-grained sing formulir nalika magma wis njeblug dhateng lumahing lan crystallized cepet.

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

5.2 komposisi

5.2.1 isi Mineral

amphibole, apatite, biotite, Feldspar, garnet, hornblade, ilmenite, magnetite, plagioclase, pyroxene, zirkon

ora kasedhiya

5.2.2 senyawa isi

silikon dioksida

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

✔ ✘

5.3.2 jinis metamorphism

metamorphism kakubur, metamorphism cataclastic, kontak metamorphism, hidrotermal metamorphism, impact metamorphism, metamorphism regional