verb

if wind, a river etc carves something in the land, its action forms it over a period of many years

verb

if a substance is deposited in the soil or in rock, it gradually gathers there and forms a layer

noun

a process in which layers of a substance form gradually over a period of time

noun

a particular period of past time in geology

verb

to gradually damage the surface of rock or land so that it begins to disappear, or to be gradually damaged in this way

noun

the process by which the surface of land or rock is gradually damaged by water, wind etc and begins to disappear

adjective

relating to geology, or to the features of the Earth’s surface

noun

a scientist who studies geology

noun

the scientific study of the structure of the Earth, the way in which it was formed, and how it has changed over time

noun

the way that particular rocks or areas of the Earth’s surface are formed

noun

a scientist who studies geophysics

noun

the scientific study of the physical processes and forces that affect the Earth

adjective

relating to the heat at the centre of the Earth

noun

the process in which land becomes covered by glaciers

to form a layer of something such as soil or mud that gradually becomes hard and develops into rock

adjective

oil-bearing rocks or plants contain oil of some kind

noun

the process by which the ground or a building gradually sinks down

noun

the process by which soil is gradually removed by the rain, wind, or sea

noun

the way in which rock forms different layers

noun

the process by which a building becomes damaged because the land it is on has sunk

noun

the process by which land sinks to a lower level

adjective

thermal water is heated by natural processes in the Earth

adverb

adjective