Geology

Batholith: A large mass of subsurface intrusive igneous rock that has its origins from mantle magma. It is a very large igneous intrusion extending to…

Asthenosphere Zone in the Earth’s mantle that exhibits plastic properties. It is the upper layer of the earth’s mantle, below the lithosphere, in which there…

Caldera Volcano: A caldera is a volcanic feature formed by the collapse of a volcano into itself, making it a large, special form of volcanic…

Calcification: A dry environment soil-forming procedure that results in the accumulation of calcium carbonate in surface soil layers. It is a soil process in which…

The biome is a Largest recognizable assemblage of animals and plants on the Earth. The distribution of the biomes is controlled mainly by climate. A biome…

Bajada: Consecutive series of alluvial fans forming along the edge of a linear mountain range. The surface of this feature undulates in a rolling fashion…

Aurora: Multicolored lights that appear in the upper atmosphere (ionosphere) over the Polar Regions and visible from locations in the middle and high latitudes. It…

Atmospheric Pressure: Weight of the atmosphere on a surface. At sea-level, the average atmospheric pressure is 1013.25 mb. Pressure is measured by a device called…

Adiabatic Lapse Rate: It is the rate of change of temperature of an air parcel as it moves upwards through the atmosphere rapidly. The rate…

Air Mass: A body of air whose temperature and humidity characteristics, acquired in the source region, remain relatively constant over a horizontal distance of hundreds…