definisi
pumice punika rock vulkanik sing kasusun saka Highly vesicular atos kaca vulkanik tekstur, kang bisa utawa ora bisa ngemot kristal
shoshonite punika rock basaltic, mlaku a trachyandesite potassic, dumadi saka olivine, augite lan plagioclase phenocrysts ing groundmass karo plagioclase calcic lan sanidine lan sawetara kaca vulkanik peteng-colored
Sajarah
asal
spain
wyoming, usa
panemu
Ora dingerteni
iddings
Etimologi
saka pomis french lawas, saka varian dialect latin saka pumex
saka panggonan asal disebut shoshone riverin wyoming
kelas
batuan beku
batuan beku
sub-kelas
awet rock, medium atose rock
awet rock, medium atose rock
kulawarga
group
vulkanik
vulkanik
kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
tektur
vesicular
porphyritic
werna
ibas, grey, ijo enom, grey cahya, pink, putih, grey yellow-
brown- ireng, coklat peteng
pangopènan
kurang
kurang
kekiatan
awet
awet
banyu tahan
✔
✘
✔
✘
ngeruk tahan
✔
✘
✔
✘
rereged tahan
✔
✘
✔
✘
angin tahan
✔
✘
✔
✘
asam tahan
✔
✘
✔
✘
katon
vesicular
kurang
arsitektur
Efesus interior
aggregates hiasan, jogan, homes, interior
aggregates hiasan, homes, interior
Efesus njaba
minangka watu bangunan, minangka madhep watu, Taman hiasan, mapeng watu
minangka watu bangunan, minangka madhep watu
Efesus arsitektur liyane
curbing, wêdakakêna
curbing
industri
industri construction
minangka watu ukuran, Pabrik semen, kanggo dalan kanthi jumlah ongko, ing babagan seni lan horticulture, nggawe semen alam, produksi pamblokiran beton entheng
minangka watu ukuran, cobblestones, alur trek ballast, roadstone
industri medical
Minangka abrasive ana ing produk exfoliating kulit, ing kimia lan pharmaceutical industri, obat-obatan lan kosmetik
-
Efesus jaman
artefak
reca
Panggunaan sanès
komersial
minangka materi doyo tarik ing dalan salju-dijamin, minangka abrasive ing erasers potlot, nggoleki abrasive digunakake kanggo polishing, Pabrik sabun, cairan pelarut, alami, plastik lan serat, digunakake ing akuarium
pelaku kuburan, nggawe kriya
jinis
scoria
Batu vulkanik penengah
fitur
tuan rumah rock kanggo timbal
tahan struktural dhuwur marang erosi lan iklim, rock grained banget nggoleki
pinunjul arkeologi
monumen
-
-
monumen misuwur
-
-
reca
-
-
patung misuwur
-
-
Pictographs
-
-
petroglyphs
-
-
figurines
-
-
fosil
absen
absen
tatanan
Wangun rock pumice nalika magma cools supaya cepet sing atom ing nyawiji sing ora bisa kanggo ngatur piyambak menyang struktur kristal.
shoshonite punika, hard rock nggoleki-grained kang jinis metasomatite, ateges ngrubah basalt. iku formulir karo utawa tanpa crystallization, salah siji ngisor permukaan minangka rocks intrusive utawa ing lumahing minangka rocks extrusive.
komposisi
isi Mineral
oksida aluminium, kalsit, karbonat, oksida wesi, silika
pyroxene
senyawa isi
al, aluminium oxide, cao, karbon dioksida, MgO, silikon dioksida
aluminium oxide, wesi (iii) oxide, kalium oxide, sodium oxide, titanium dioxide
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
metamorphism kakubur, impact metamorphism
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 gisik, erosi Glacier, erosi segara, banyu erosi, angin erosi
erosi kimia, erosi gisik, erosi Glacier
fisik
atose
66
1
7
👆🏻
ukuran gandum
grained nggoleki
medium kanggo nggoleki coarse grained
rengat
planar
ora rata
tilas
putih, greenish putih utawa abu-abu
putih kanggo werna abu-abu
porosity
Highly keropos
kurang keropos
luster
earthy
kurang
kekuatan compressive
51.20 n / mm 2175.00 n / mm 2
0.15
450
👆🏻
cleavage
sampurna
-
kateguhan
3
1.6
tartamtu gravitasi
2.862.98
0
8.4
👆🏻
transparan
opaque
opaque
Kapadhetan
0.25-0.3 g / cm 32.9-3 g / cm 3
0
1400
👆🏻
situs termal
kapasitas panas tartamtu
0.87 kj / kg k0.79 kj / kg k
0.14
3.2
👆🏻
resistance
impact tahan, meksa tahan
tahan panas, meksa tahan
celengan ing bawana wétan
asia
Afghanistan, Indonesia, Japan, Russia
India, Russia
africa
Ethiopia, Kenya, Tanzania
South Africa
europe
greece, hungary, iceland, italy, turkey
iceland
wong
-
-
celengan ing bawana kulon
lor amerika
Bahamas, Barbados, Canada, Costa Rica, Cuba, Jamaica, Mexico, USA
Canada, USA
kidul amerika
Argentina, Chile, Ecuador, Peru
Brazil
celengan ing Oseania bawana
australia
New Zealand, Western Australia
-