English > geology: 1 sense > noun 1, cognitionMeaning | A science that deals with the history of the earth as recorded in rocks / rocks. |
---|
Category of | Great Rift Valley | (geology) a depression in southwestern Asia and eastern Africa |
---|
Mercalli scale | A scale formerly used to describe the magnitude of an earthquake |
Mohorovicic discontinuity, Moho | The boundary between the Earth's crust and the underlying mantle |
Richter scale | A logarithmic scale of 1 to 10 formerly used to express the magnitude of an earthquake on the basis of the size of seismograph oscillations |
accretion | (geology) an increase / increase / increase in land resulting from alluvial deposits or waterborne sediment |
anaclinal | Of valleys and rivers |
anticlinal | sloping downward away from a common crest |
aqueous, sedimentary | Produced by the action of water |
archean, archaean | Of or relating to the earliest known rocks formed during the Precambrian Eon |
archeozoic, archaeozoic | Of or belonging to earlier of two divisions of the Precambrian era |
azoic | Before the appearance of life |
batholithic, batholitic | Of or relating to a batholith |
bed | (geology) a stratum of rock (especially sedimentary rock) |
cataclinal | Of valleys and rivers |
changed | changed in constitution or structure or composition by metamorphism |
clast | (geology) a constituent fragment of a clastic rock |
clastic | Of or belonging to or being a rock composed of fragments of older rocks (e.g., conglomerates or sandstone) |
clastic rock | (geology) a rock composed of broken pieces of older rocks |
crustal movement, tectonic movement | movement resulting from or causing deformation of the earth's crust |
deflation | (geology) the erosion of soil as a consequence of sand and dust and loose rocks / rocks being removed by the wind |
diapir | A domed rock formation where a core of rock / rock has moved upward and pierced through the more brittle overlying strata |
endogenic, endogenetic | Of rocks formed or occurring beneath the surface of the earth |
erosion, eroding, eating away, wearing, wearing away | (geology) the mechanical process of wearing or grinding something down (as by particles washing over it) |
esker | (geology) a long winding ridge of post glacial gravel and other sediment |
exceedance | (geology) the probability that an earthquake will generate a level of ground motion that exceeds a specified reference level during a given exposure time |
extrusive | Of rock material |
fault, faulting, geological fault, shift, fracture, break | (geology) a crack in the earth's crust resulting from the displacement of one side with respect to the other |
fault line | (geology) line determined by the intersection of a geological fault and the earth's surface |
foliation | (geology) the arrangement of leaflike layers in a rock / rock |
geological formation, formation | (geology) the geological features of the earth |
geological phenomenon | A natural phenomenon involving the structure or composition of the earth |
geological process, geologic process | (geology) a natural process whereby geological features are modified |
geomorphologic, geomorphological, morphologic, morphological, structural | pertaining to geological structure |
groundmass | (geology) the matrix of fine-grained crystalline material in which larger / larger crystals are embedded |
heave | (geology) a horizontal dislocation |
hoodoo | (geology) a column of weathered and unusually shaped rock |
igneous, eruptive | Produced by the action of fire or intense heat |
incumbent | lying or leaning on something else |
interstratify | Arrange rocks in alternating strata |
intrusive | Of rock material |
isostasy | (geology) a general equilibrium of the forces tending to elevate or depress the earth's crust |
kettle hole, kettle | (geology) a hollow (typically filled by a lake) that results from the melting of a mass of ice trapped in glacial deposits |
matrix | (geology) amass of fine-grained rock in which fossils, crystals, or gems are embedded |
moment magnitude scale | A logarithmic scale of 1 to 10 (a successor to the Richter scale) that enables seismologists to compare the energy released by different earthquakes on the basis of the area of the geological fault that ruptured in the quake |
monoclinal | Of a geological structure in which all strata are inclined in the same direction |
peneplain, peneplane | A more or less level land surface representing an advanced stage / stage of erosion undisturbed by crustal movements |
principle of superposition, superposition principle, superposition | (geology) the principle that in a series of stratified sedimentary rocks the lowest stratum is the oldest |
proterozoic | formed in the later of two divisions of the Precambrian era |
saltation | (geology) the leaping movement of sand or soil particles as they are transported in a fluid medium over an uneven surface |
scablands | (geology) flat elevated land with poor soil and little vegetation that is scarred by dry channels of glacial origin (especially in eastern Washington) |
shingling | (geology) sediment in which flat pebbles are uniformly tilted in the same direction |
sill | (geology) a flat (usually horizontal) mass of igneous rock between two layers of older sedimentary rock |
slide | (geology) the descent of a large mass of earth or rocks or snow etc. |
stratified, bedded | Deposited or arranged in horizontal layers |
stratify | form layers or strata |
superposition | (geology) the deposition of one geological stratum on another |
synclinal | sloping downward toward each other to create a trough |
tectonic | pertaining to the structure or movement of the earth's crust |
thrust | Force (molten rock) into pre-existing rock |
unstratified | not deposited in layers |
upheaval, uplift, upthrow, upthrust | (geology) a rise of land to a higher elevation (as in the process of mountain building) |
xenolith | (geology) a piece of rock of different origin from the igneous rock in which it is embedded |
Narrower | economic geology | The branch of geology that deals with economically valuable geological materials |
---|
geophysics, geophysical science | geology that uses physical principles to study properties of the earth |
hypsography | The scientific study of the earth's configuration above sea level (emphasizing the measurement of land altitudes relative to sea level) |
mineralogy | The branch of geology that studies minerals |
orology, orography | The science of mountains |
paleogeology, palaeogeology | The study of geologic features once at the surface of the earth but now buried beneath rocks / rocks |
speleology, spelaeology | The scientific study of caves |
stratigraphy | The branch of geology that studies the arrangement and succession of strata |
Broader | earth science | Any of the sciences that deal with the earth or its parts |
---|
Spanish | geología |
---|
Catalan | geologia |
---|
Adjectives | geological, geologic | of or relating to or based on geology |
---|
Nouns | geologist | a specialist in geology |
---|