dike swarm

dike swarm

[′dīk ‚swȯrm]
(geology)
A large group of parallel, linear, or radially oriented dikes.
References in periodicals archive ?
The Capitan dike swarm in southwestern Lincoln County, New Mexico, contains six different rock types ranging from tephrite to rhyolite.
1998, The 616 Ma old Egersund basaltic dike swarm, SW Norway, and Late Neoproterozoic opening of the Iaperus Ocean: Journal of Geology, v.
TCAI has defined a zone of intermittent surface mineralization approximately two kilometers long by 500 metres wide, which follows an east-west-trending dike swarm and is adjacent to the Rustler fault, which extends northeast from the Ray Mine through the Monitor Property.
For example, detailed mapping and sampling in the Niagara mine area, 3,500 feet west of the Washington mine, has defined the vein system, and associated dike swarm as being wider than expected at 550 feet and extending significantly on strike well beyond the historic workings.
Additional surveying is also planned to be extended to the south-southeast to prospect highly anomalous tills coincident with the continuation of the Franklin dike swarm which, analogous to the central Slave district, is believed to define a structural corridor that provided a locus for kimberlite pipe emplacement.
Also, further to the restructured agreement between Diadem and Darnley Bay Resources, whereby Diadem has 100% ownership of claims and permits south of the 68th parallel, Diadem is actively seeking a joint venture partner to participate in exploration of the Franklin dike swarm south of the 68th parallel.
Magnetic data suggests the existence of an intrusive dike swarm immediately south of the Dry Hills below shallow pediment.
These dike swarms are also seen on Earth in places like Iceland in the Krafla fissure swarm.
According to the interpretation provided by noted Nevada geophysicist Robert Ellis, the survey displayed extensive evidence of magnetic north-south dike swarms that are likely associated with a dilatant structural fabric parallel to but west of the Northern Nevada Rift.
Two styles of gold mineralization are present at Jenny Hill: 1) Distal disseminated gold in Triassic siltstone (Carlin-type) and 2) Gold skarn associated with Cretaceous dike swarms in Triassic siltstone and limestone.