In geology, a dike or dyke is a sheet of rock that is formed in a fracture of a pre-existing rock body. Dikes can be either magmatic or sedimentary in...

many times width. Clastic dikes are found in sedimentary basin deposits worldwide. Formal geologic reports of clastic dikes began to emerge in the early...

up dike or dyke in Wiktionary, the free dictionary. Dyke (UK) or dike (US) may refer to: Dyke (slang), a slang word meaning "lesbian" Dike (geology), a...

T. R. (1968). "The Moses Rock Dike: Geology, Petrology and Mode of Emplacement of a Kimberlite-Bearing Breccia Dike, San Juan County, Utah". Ph.D. Dissertation...

A dike swarm (American spelling) or dyke swarm (British spelling) is a large geological structure consisting of a major group of parallel, linear, or...

Chile An igneous intrusion cut by a pegmatite dike, which in turn is cut by a dolerite dike Geology portal List of rock types – List of rock types recognized...

magma flux. In contrast, a dike is a discordant intrusive sheet, which does cut across older rocks. Sills are fed by dikes, except in unusual locations...

ring dike or ring dyke is an intrusive igneous body that is circular, oval or arcuate in plan and has steep contacts. While the widths of ring dikes differ...

concentric ring dikes. The inner ring dike is about 30 m in width, 3 km from the center of the Richat Structure. The outer ring dike is about 70 m in...

quartz dolerite, microgranite, and diorite. Cone sheet Dike (geology) Igneous intrusion Sill (geology) "7 Plutons and Plutonic Rocks – Open Petrology". Retrieved...

mineral deposits. Asteroid belt Auki Crater Composition of Mars Dike (geology) Geology of Mars Impact crater Impact event Linear ridge networks Mineralogy...

In geology, an igneous intrusion (or intrusive body or simply intrusion) is a body of intrusive igneous rock that forms by crystallization of magma slowly...

Geology (from Ancient Greek γῆ (gê) 'earth', and λoγία (-logía) 'study of, discourse') is a branch of natural science concerned with the Earth and other...

discussed or observed. Settings in geology when the term country rock is used include: When describing a pluton or dike, the igneous rock can be described...

largest dike swarms. A dike swarm is a large geological structure consisting of a major group of parallel, linear, or radially oriented dikes intruded...

body depends on its composition and depth. Common examples are igneous dikes, sills, plutons, and batholiths. Depending on the composition of the magma...

Dike Mountain is a 6,650-foot (2,027 m) glaciated summit located in the Boundary Ranges of the Coast Mountains, in the U.S. state of Alaska. It is situated...

In geology, a fault is a planar fracture or discontinuity in a volume of rock across which there has been significant displacement as a result of rock-mass...

the unconformity which in turn is older than the dike. Using such rationale, the sequence of geological events can be better understood. Cross-cutting relationships...

Fall line Felsic Geologic age Geologic fault Geologic modeling Geologic period Geologic time scale Geological phenomenon Geologist Geology of the Alps Geomorphology...

including sedimentary bedding, fractures, faults, joints, cuestas, igneous dikes and sills, metamorphic foliation and fabric, etc. Observations about a structure's...

Lonsdale, Peter (1992). "Tectonic rotations of dikes in fast-spread oceanic crust exposed near Hess Deep". Geology. 20 (8): 685. Bibcode:1992Geo....20..685K...

2.7 Ga. The Canadian Shield also contains the Mackenzie dike swarm, which is the largest dike swarm known on Earth. The North American craton is the bedrock...

minerals are called veins and joints filled by solidified magma are called dikes. Joints arise from brittle fracture of a rock or layer due to tensile stress...

subvolcanic rock equivalent to volcanic basalt or plutonic gabbro. Diabase dikes and sills are typically shallow intrusive bodies and often exhibit fine-grained...

The geology of Nigeria formed beginning in the Archean and Proterozoic eons of the Precambrian. The country forms the Nigerian Province and more than...

crystallizes, and solidifies underground to form intrusions, such as batholiths, dikes, sills, laccoliths, and volcanic necks. Intrusion is one of the two ways...

Eucrite intrusion of Ardnamurchan, Scotland: Reevaluating the ring-dike concept". Geology. 34 (3): 189–192. Bibcode:2006Geo....34..189O. doi:10.1130/G22294...

and western and central Finland. They are made up of Subjotnian diabase dikes, associated with rapakivi magmatism. They were most likely formed on the...

M.J. (2007). "Rapid dike emplacement leads to eruptions and hydrothermal plume release during seafloor spreading events". Geology. 35 (7): 579–582. Bibcode:2007Geo...