definisi
dacite punika rock igneous vulkanik kang rintermediate ing komposisi antarane awujud lan rhyolite
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
Sajarah
asal
romania lan Moldova, europe
Ethiopia
panemu
Ora dingerteni
obsius
Etimologi
saka Dacia, sawijining provinsi saka kekaisaran Romawi kang lay antarane Kali Danube lan Pagunungan Carpathian ngendi rock ing Pisanan
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
kelas
batuan beku
batuan beku
sub-kelas
awet rock, rock alus
awet rock, medium atose rock
kulawarga
group
vulkanik
vulkanik
kategori liyane
rock grained nggoleki, medium rock grained, rock opaque
rock opaque
tektur
aphanitic kanggo porphyritic
glassy
werna
bluish - werna abu-abu, coklat, grey, cahya kanggo werna abu-abu peteng
ireng, biru, coklat, ijo, orange, abang, tan, kuning
pangopènan
kurang
kurang
kekiatan
awet
awet
banyu tahan
✔
✘
✔
✘
ngeruk tahan
✔
✘
✔
✘
rereged tahan
✔
✘
✔
✘
angin tahan
✔
✘
✔
✘
asam tahan
✔
✘
✔
✘
katon
vesicular
mengilap
arsitektur
Efesus interior
aggregates hiasan, entryways, interior
aggregates hiasan, interior
Efesus njaba
minangka watu bangunan, mapeng watu, Taman hiasan
Taman hiasan
Efesus arsitektur liyane
curbing
-
industri
industri construction
minangka watu ukuran, kanthi jumlah ongko construction, kanggo dalan kanthi jumlah ongko, landscaping
arrowheads, alat nglereni, lading, scrapers, TCTerms tumbak
industri medical
-
bedhah
Efesus jaman
artefak
artefak, perhiasan
Panggunaan sanès
komersial
tablet commemorative, nggawe kriya
nggawe kriya, mirror, digunakake ing akuarium
jinis
dacite footwall, hanging dacite wall, tuff lan biotite dacite
mercon obsidian, mahoni, Sheen obsidian, Snowflake obsidian lan Beludru merak obsidian
fitur
tuan rumah rock kanggo timbal, iku salah siji saka rock tuwa
pamblokiran negativity, mbantu kanggo ngreksa marang depresi
pinunjul arkeologi
monumen
-
-
monumen misuwur
-
-
reca
-
-
patung misuwur
-
-
Pictographs
-
-
petroglyphs
-
-
figurines
-
-
fosil
absen
absen
tatanan
dacitic magma wis kawangun dening subduksi saka lemah ndhuwur enom laut ing piring Continental felsic nglukis. luwih, ing satunggalipun saperangan wis hydrothermally ngrubah minangka quartz lan sodium sing ditambahake.
nalika lahar dirilis saka gunung, iku diwiwiti saka cooling cepet banget kang freezes mekanisme saka crystallization. asil punika kaca vulkanik karo susunan Gamelan seragam.
komposisi
isi Mineral
amphibole, apatite, biotite, Feldspar, garnet, hornblade, magnetite, plagioclase, pyroxene, quartz, zirkon
-
senyawa isi
ca, fe, kalium oxide, mg, kalium, silikon dioksida
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism
cuaca
✔
✘
✔
✘
jinis udan
udan biologi, udan kimia, udan mechanical
udan biologi, udan kimia, udan mechanical
erosi
✔
✘
✔
✘
jinis erosi
erosi kimia
erosi kimia, erosi gisik, erosi Glacier
fisik
atose
2-2.255-5.5
1
7
👆🏻
ukuran gandum
medium kanggo nggoleki coarse grained
-
rengat
conchoidal
conchoidal
tilas
putih
putih
porosity
kurang keropos
banget kurang keropos
luster
subvitreous kanggo kurang
vitreous
kekuatan compressive
70.00 n / mm 20.15 n / mm 2
0.15
450
👆🏻
cleavage
sampurna
-
kateguhan
-
-
tartamtu gravitasi
2.86-2.872.6-2.7
0
8.4
👆🏻
transparan
tembus
tembus
Kapadhetan
2.77-2.771 g / cm 32.6 g / cm 3
0
1400
👆🏻
situs termal
kapasitas panas tartamtu
0.92 kj / kg k0.92 kj / kg k
0.14
3.2
👆🏻
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas, impact tahan
celengan ing bawana wétan
asia
-
Afghanistan, Indonesia, Japan, Russia
africa
-
Kenya
europe
france, greece, romania, Scotland, spain
greece, hungary, iceland, italy, turkey
wong
-
-
celengan ing bawana kulon
lor amerika
USA
Canada, Mexico, USA
kidul amerika
Argentina, Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela
Argentina, Chile, Ecuador, Peru
celengan ing Oseania bawana
australia
New Zealand, South Australia, Western Australia
New Zealand