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greywacke
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greywacke
noun
A hard dark sandstone with poorly sorted angular grains of quartz, feldspar, and small rock fragments in a compact, clay-fine matrix
Words Related to
greywacke
!
siltstone
,
argillaceous
,
amphibolite
,
phyllite
,
gneiss
,
argillite
,
gabbro
,
clastic
,
syenite
,
andesite
,
diorite
,
pelite
,
hornblende
,
diabase
,
claystone
,
hornfels
,
mudstone
,
dolerite
,
schistose
,
norite
,
granodiorite
,
arenite
,
biotite
,
monzonite
,
felsite
,
breccia
,
aplite
,
pegmatite
,
rhyolite
,
anorthosite
,
schists
,
sericite
,
stibnite
,
pentlandite
,
dacite
,
muscovite
,
covellite
,
chalcocite
,
stratiform
,
bornite
,
ankerite
,
actinolite
,
tetrahedrite
,
pyroxenite
,
pyrrhotite
,
albite
,
chrysocolla
,
arsenopyrite
,
kaolinite
,
sulphides
,
uraninite
,
autunite
,
chlorite
,
epidote
,
adularia
,
dunite
,
pyrophyllite
,
limestones
,
dolomites
,
veinlet
,
hypabyssal
,
veinlets
,
cherty
,
galena
,
sphalerite
,
haematite
,
halite
,
alkalic
,
saprolite
,
mylonite
,
foliation
,
colluvium
,
stockwork
,
limonite
,
illite
,
alunite
,
chalcopyrite
,
greisen
,
lapilli
,
argentiferous
,
amphibole
,
siderite
,
molybdenite
,
granites
,
carnotite
,
anastomosing
,
orpiment
,
detrital
,
allanite
,
pyrite
,
eluvial
,
phlogopite
,
brecciation
,
enargite
,
porphyries
,
silicification
,
fuchsite
,
realgar
,
vein quartz
,
argentite
,
greywacke
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