a andrew thi 12 éve
515
Még több ilyen
supereon, eon, era, period, epoch, age, chron
cambrian
ordovician,silurian.. trissic, jurassic..paleocene.,neogene, paleogene, neogene and quarternery
paleozoic
mesozoic
cenozoic
precambrian
lithology and petrology:
study origin, composition, distribution and structure of rocks
classified on chemical formula and crystal structures. uses color, luster, crystal type, hardness and cleavage to identify
physical attributes:
c-tal struct
x-tal habit
twinning
cleavage
luster
diaphanelty
color
streak
hardness
specific gravity
pyrite is the most abundant and widespread sulfide mineral.
compose of both metal and sulfur. usuak have metalic lusters and are soft and opaque
foitite
schork
elbaite
dravite
walstromite
paragoite
benitoite
eudialyte
ekanite
dioptase
pyroxene
bustamite
orlymanite
aegirine
neotocite
carpholite
miserite
elpidite
babingtonite
augite
amphibole
pargasite
tremolite
riebeckite
hastingsite
axinite grp
ferroaxinite
grunerite
ferrogedrite
ferropargasite
eckermannite
arfvedsonite
alamisite
anthophyllite
actinolite
diopside
rocks r agregate of minerals, but minerals r NOT rocks
