types:
acuífero
underground bed or layer yielding ground water for wells and springs etc
playa,
ribera
an area of sand sloping down to the water of a sea or lake
cueva,
sibil
a geological formation consisting of an underground enclosure with access from the surface of the ground or from the sea
delta
a low triangular area of alluvial deposits where a river divides before entering a larger body of water
macizo
a block of the earth's crust bounded by faults and shifted to form peaks of a mountain range
altura
a raised or elevated geological formation
talud
a sloping mass of loose rocks at the base of a cliff
filón
a layer of ore between layers of rock
acuífero
underground surface below which the ground is wholly saturated with water
banda,
orilla,
vera
sloping land (especially the slope beside a body of water)
peralte
a slope in the turn of a road or track; the outside is higher than the inside in order to reduce the effects of centrifugal force
fondo,
lecho
a depression forming the ground under a body of water
caverna
a large cave or a large chamber in a cave
cráter
a bowl-shaped depression formed by the impact of a meteorite or bomb
glaciar
a slowly moving mass of ice
ladera
the side or slope of a hill
hervidero
a natural spring of water at a temperature of 70 F or above
iceberg
a large mass of ice floating at sea; usually broken off of a polar glacier
montaña,
monte,
montón
a land mass that projects well above its surroundings; higher than a hill
valle
a long depression in the surface of the land that usually contains a river