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Orbitoidacea
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Textulariina
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Radiolaria (1)
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Vermes
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Musci
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Mesozoic
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Bridge Creek Limestone Member (1)
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Upper Jurassic
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Arab Formation (1)
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Tithonian (1)
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Triassic
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Keuper (2)
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Paleozoic
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Banff Formation (1)
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Lake Valley Formation (3)
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Stanley Group (1)
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Upper Mississippian
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Imo Formation (1)
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Windsor Group (1)
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Atokan (1)
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Breathitt Formation (1)
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Upper Carboniferous (2)
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Devonian
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Exshaw Formation (1)
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Maquoketa Formation (1)
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-
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Permian
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Lower Permian
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Upper Permian
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Zechstein (1)
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-
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Silurian
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Wenlock (1)
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-
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upper Paleozoic
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Dwyka Formation (1)
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Phanerozoic (9)
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Precambrian
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Animikie Group (1)
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Paleoarchean
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Hooggenoeg Formation (1)
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Singhbhum Granite (1)
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Central Rand Group (1)
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Nipissing Diabase (1)
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Proterozoic
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Paleoproterozoic
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Ventersdorp Supergroup (2)
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igneous rocks
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-
granites
-
alkali granites (1)
-
aplite (2)
-
A-type granites (3)
-
I-type granites (2)
-
leucogranite (1)
-
microgranite (1)
-
monzogranite (2)
-
S-type granites (1)
-
-
granodiorites (6)
-
lamproite (2)
-
lamprophyres (3)
-
monzodiorite (1)
-
monzonites (3)
-
pegmatite (7)
-
quartz monzonite (3)
-
syenites
-
nepheline syenite (2)
-
quartz syenite (1)
-
syenite porphyry (1)
-
-
ultramafics
-
chromitite (1)
-
peridotites
-
harzburgite (2)
-
lherzolite (3)
-
spinel lherzolite (2)
-
spinel peridotite (1)
-
-
pyroxenite
-
orthopyroxenite (1)
-
-
-
-
porphyry (1)
-
volcanic rocks
-
adakites (10)
-
andesites
-
boninite (2)
-
-
basalts
-
alkali basalts
-
hawaiite (1)
-
mugearite (2)
-
spilite (2)
-
-
flood basalts (14)
-
mid-ocean ridge basalts (24)
-
ocean-island basalts (14)
-
olivine tholeiite (1)
-
shoshonite (2)
-
tholeiite (5)
-
tholeiitic basalt (4)
-
-
basanite (4)
-
dacites (6)
-
glasses
-
volcanic glass (5)
-
-
komatiite (6)
-
nephelinite (2)
-
phonolites (4)
-
pyroclastics
-
ash-flow tuff (1)
-
ignimbrite (2)
-
pumice (1)
-
scoria (1)
-
tuff (6)
-
-
rhyodacites (1)
-
rhyolites (7)
-
tephrite (1)
-
trachyandesites (1)
-
trachytes (1)
-
-
-
ophiolite (19)
-
volcanic ash (1)
-
-
metamorphic rocks
-
K-bentonite (1)
-
metamorphic rocks
-
amphibolites (6)
-
eclogite (2)
-
gneisses
-
orthogneiss (3)
-
-
granulites (5)
-
hornfels (1)
-
marbles (1)
-
metaigneous rocks
-
metabasalt (9)
-
metagabbro (2)
-
metaperidotite (1)
-
serpentinite (3)
-
-
metasedimentary rocks
-
metapelite (4)
-
-
metasomatic rocks
-
fenite (1)
-
greisen (1)
-
serpentinite (3)
-
skarn (2)
-
-
metavolcanic rocks (9)
-
migmatites (1)
-
mylonites
-
pseudotachylite (1)
-
-
schists
-
blueschist (1)
-
chlorite schist (1)
-
greenstone (2)
-
-
slates (1)
-
-
ophiolite (19)
-
turbidite (6)
-
-
meteorites
-
meteorites
-
stony meteorites
-
achondrites
-
Martian meteorites
-
SNC Meteorites (1)
-
-
-
chondrites (1)
-
-
-
-
minerals
-
alloys (2)
-
arsenides
-
arsenopyrite (2)
-
-
arsenites (1)
-
carbonates
-
aragonite (15)
-
calcite (29)
-
dolomite (8)
-
hydrotalcite (4)
-
magnesian calcite (4)
-
magnesite (4)
-
pyroaurite (1)
-
siderite (3)
-
-
halides
-
fluorides
-
fluorite (2)
-
-
zunyite (1)
-
-
hydrates (1)
-
iodates (1)
-
K-bentonite (1)
-
native elements
-
graphite (1)
-
-
nitrates (1)
-
organic minerals
-
urea (1)
-
-
oxalates (1)
-
oxides
-
aluminum oxides (2)
-
anatase (1)
-
birnessite (1)
-
brookite (2)
-
brucite (2)
-
buserite (1)
-
chrome spinel (5)
-
chromite (3)
-
corundum (1)
-
ferrihydrite (3)
-
geikielite (1)
-
gibbsite (2)
-
goethite (11)
-
hematite (8)
-
hydroxides
-
aluminum hydroxides (2)
-
iron hydroxides (2)
-
-
ilmenite (3)
-
iron oxides (11)
-
lepidocrocite (3)
-
lithiophorite (1)
-
magnesium oxides (1)
-
magnetite (5)
-
manganese oxides (7)
-
niobates
-
columbite (1)
-
-
pyrolusite (1)
-
rutile (2)
-
spinel (3)
-
titanium oxides (2)
-
todorokite (1)
-
uraninite (1)
-
-
phosphates
-
apatite (5)
-
monazite (2)
-
-
silicates
-
aluminosilicates (6)
-
asbestos (2)
-
chain silicates
-
amphibole group
-
clinoamphibole
-
actinolite (1)
-
arfvedsonite (1)
-
crocidolite (1)
-
glaucophane (1)
-
hornblende (3)
-
pargasite (1)
-
richterite (1)
-
riebeckite (2)
-
tremolite (1)
-
-
-
pyroxene group
-
clinopyroxene
-
aegirine (1)
-
augite (1)
-
omphacite (3)
-
-
orthopyroxene
-
enstatite (2)
-
-
-
-
framework silicates
-
feldspar group
-
alkali feldspar
-
K-feldspar (1)
-
microcline (1)
-
-
plagioclase
-
albite (4)
-
-
-
leucite (1)
-
silica minerals
-
coesite (1)
-
cristobalite (2)
-
jasper (1)
-
opal
-
opal-A (1)
-
-
quartz (4)
-
-
zeolite group
-
analcime (1)
-
clinoptilolite (5)
-
heulandite (3)
-
mordenite (1)
-
natrolite (1)
-
pollucite (2)
-
-
-
orthosilicates
-
nesosilicates
-
andalusite (1)
-
chloritoid (1)
-
garnet group
-
andradite (1)
-
grossular (1)
-
-
kyanite (1)
-
mullite (1)
-
olivine group
-
forsterite (1)
-
olivine (4)
-
-
sillimanite (1)
-
staurolite (1)
-
zircon group
-
zircon (16)
-
-
-
sorosilicates
-
chevkinite group
-
chevkinite (1)
-
perrierite (1)
-
-
epidote group
-
epidote (1)
-
-
lawsonite (1)
-
zunyite (1)
-
-
-
ring silicates
-
cordierite (1)
-
milarite group
-
milarite (1)
-
osumilite (2)
-
roedderite (1)
-
-
-
sheet silicates
-
chlorite group
-
chlorite (10)
-
-
clay minerals
-
allophane (1)
-
beidellite (1)
-
halloysite (2)
-
kaolinite (10)
-
montmorillonite (16)
-
nontronite (4)
-
saponite (3)
-
smectite (28)
-
vermiculite (3)
-
-
corrensite (1)
-
illite (12)
-
margarite (1)
-
mica group
-
annite (1)
-
biotite (7)
-
glauconite (1)
-
lepidolite (1)
-
muscovite (4)
-
phengite (2)
-
phlogopite (1)
-
-
palygorskite (4)
-
pyrophyllite (3)
-
sepiolite (2)
-
sericite (1)
-
serpentine group
-
berthierine (1)
-
serpentine (1)
-
-
-
-
sulfates
-
barite (3)
-
celestine (1)
-
gypsum (1)
-
iron sulfates (1)
-
schwertmannite (1)
-
selenite (1)
-
-
sulfides
-
arsenopyrite (2)
-
bornite (1)
-
chalcopyrite (1)
-
galena (2)
-
molybdenite (1)
-
pyrite (6)
-
pyrrhotite (2)
-
sphalerite (2)
-
talnakhite (1)
-
-
-
Primary terms
-
absolute age (63)
-
Africa
-
Blue Nile (1)
-
Central Africa
-
Gabon
-
Oklo (1)
-
-
-
East Africa
-
Ethiopia (1)
-
Malawi (1)
-
Mozambique (1)
-
Tanzania (1)
-
Uganda (1)
-
-
East African Lakes
-
Lake Albert (1)
-
Lake Tanganyika (1)
-
-
East African Rift (1)
-
Limpopo Belt (1)
-
Madagascar (1)
-
Mozambique Belt (1)
-
Nile Valley (1)
-
North Africa
-
Atlas Mountains
-
Moroccan Atlas Mountains
-
Anti-Atlas (1)
-
-
-
Egypt
-
Eastern Desert (2)
-
Sinai Egypt (1)
-
-
Morocco
-
Moroccan Atlas Mountains
-
Anti-Atlas (1)
-
-
-
Tunisia
-
El Kef Tunisia (1)
-
-
-
Nubian Shield (3)
-
Southern Africa
-
Barberton greenstone belt (2)
-
Gariep Belt (2)
-
Kaapvaal Craton (7)
-
Karoo Basin (3)
-
Namaqualand (1)
-
-
-