Is the Deep Earth churning out diamonds?
Diamonds may not be quite as rare as you think, scientists report. “Diamond formation in the deep Earth—the very deep Earth—may be a more common process than we thought,” says Johns Hopkins Universit...
HERE IS TODAY
An interactive look at time...
Is the Deep Earth churning out diamonds?
Diamonds may not be quite as rare as you think, scientists report. “Diamond formation in the deep Earth—the very deep Earth—may be a more common process than we thought,” says Johns Hopkins Universit...
Harrat al Birk
Harrat al Birk is an ancient lava field located along Saudi Arabia's Red Sea coastline.
Harrat al Birk - Wikipedia
Yakutat Block
The Yakutat Block is a terrane in the process of accreting to the North American continent along the south central coast of Alaska. It has been displaced about 600 km northward since the Cenozoic alon...
Nain Province
In Labrador, Canada, the North Atlantic Craton is known as the Nain Province. The Nain geologic province was intruded by the Nain Plutonic Suite which divides the province into the northern Saglek blo...
Nain Province - Wikipedia
Homocline
In structural geology, a homocline or homoclinal structure, (from old Greek: homo = same, cline = inclination) is a geological structure in which the bedding of a sequence of r...
Basement (geology)
In geology, basement and crystalline basement are the rocks below a sedimentary platform or cover, or more generally any rock below sedimentary rocks or sedimentary basins that are metamorphic or igne...
Sequence (geology)
A sequence in geology refers to a sequence of geological events, processes, or rocks, arranged in chronological order.A rock stratigraphical sequence is a geographical, or lithostratigraphic, discrete...
Debris cone
A debris cone consists of debris deposited in a conical shape with a surface slope greater than 10 degrees (perpendicular to contours), usually transported by small streams or snow avalanches.A debris...
Debris cone - Wikipedia
Mess Lake Lava Field
The Mess Lake Lava Field is a volcanic field associated with the Mount Edziza volcanic complex of the Northern Cordilleran Volcanic Province in northwestern British Columbia, Canada. It lies northwest...
Mess Lake Lava Field - Wikipedia
Crevice
A crevice is a fracture or fissure in rock.Crevice may also refer to:
Geon (geology)
The term geon (for geological eon) refers to large geologic time intervals.Geologists traditionally subdivide Earth history into a hierarchy of named intervals: eons, eras, periods, etc. (e.g. Jurassi...
Formation (stratigraphy)
A formation or geological formation is the fundamental unit of lithostratigraphy. A formation consists of a certain number of rock strata that have a comparable lithology, facies or other similar prop...
Formation (stratigraphy) - Wikipedia
Sandfall
Sandfall (sand fall or grainfall) is a term applied to a variety of forms of sedimentary transport or sedimentary features belonging to the larger category of mass wasting, and are driven by wind, wat...
S-wave
A type of elastic wave, the S-wave, secondary wave, or shear wave (sometimes called an elastic S-wave) is one of the two main types of elastic body waves, so named because they move through the body o...
S-wave - Wikipedia
Crowder's Mountain
Crowders Mountain is one of two main peaks within Crowders Mountain State Park, the other peak being The Pinnacle. The park is located in the western Piedmont of North Carolina between the cities of ...
Crowder's Mountain - Wikipedia
Eclogitization
Eclogitization is the tectonic process in which the appearance of high-pressure, metamorphic facies, eclogite leads to an increase in crustal densities. These crustal density changes lead to a change...
Eclogitization - Wikipedia
Limnic eruption
A limnic eruption, also referred to as a lake overturn, is a rare type of natural disaster in which dissolved carbon dioxide (CO2) suddenly erupts from deep lake water, suffocating wildlife, livestock...
Limnic eruption - Wikipedia
Planolites
Planolites is an ichnogenus found throughout the Phanerozoic. It is generally small (1-5 mm), unlined, and rarely branched, with fill that differs from the host rock. Planolites are trace fossils made...
Planolites - Wikipedia
Lake breakout
Lake breakout is a geological term that refers to the collapse of a (usually high-altitude) lake. High-altitude lakes tend to form in volcanic craters – where they are called crater lakes –...
Heavy mineral
In geology, a heavy mineral is one with a density that is greater than 2.9 g/cm, most commonly referring to dense components of siliciclastic sediments. A heavy mineral suite is the relative percentag...
Heavy mineral - Wikipedia
HERE IS TODAY
An interactive look at time...
Thrust fault
A thrust fault is a type of fault, or break in the Earth's crust across which there has been relative movement, in which rocks of lower stratigraphic position are pushed up and over higher strata. The...
Thrust fault - Wikipedia
Group (stratigraphy)
A group in stratigraphy is a lithostratigraphic unit, a part of the geologic record or rock column that consists of defined rock strata. Groups are generally divided into individual formations. Groups...