aa
abyssal rock
basalt
bedrock
block lava
brash
breccia
clamjamfry
conglomerate
crag
debris
druid stone
dust
festooned pahoehoe
gneiss
granite
igneous rock
junk
lava
limestone
litter
living rock
lumber
magma
mantlerock
metamorphic rock
monolith
pahoehoe
pillow lava
porphyry
pudding stone
raff
regolith
riffraff
rock
ropy lava
rubbish
rubblestone
sandstone
sarsen
schist
scoria
scrap
scree
sedimentary rock
shelly pahoehoe
shoddy
stone
talus
trash
slack
ash
boulder
brick
cement
cinder
detritus
dirt
dung
débris
gravel
grit
masonry
plaster
sawdust
shale
shard
shingle
silt
slag
weed
wreckage
Hubble
bubble
double
redouble
stubble
trouble