diorite


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Related to diorite: gabbro, andesite, Quartz diorite
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  • noun

Words related to diorite

a granular crystalline intrusive rock

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References in periodicals archive ?
The rocks exposed in the study area are highly deformed and include basalt-andesite sheet dominant volcanics and un-deformed volcanic rocks of Ishkoman Volcanic Center / Teru Volcanic Formation of Ghizar Formation and diorites of the Kohistan batholith.
At the head of Seldom Harbour irregularly layered gabbro and diorite grade to heterogeneous mafic rocks which contain enclaves of layered gabbro, some sharply bounded in metre-scale blocks, others apparently gradational to larger areas of massive gabbro.
Most of the veins are located along the contact between the tonalite/quartz diorite intrusions and enclosing quartzites.
Alexandria Minerals Corporation (AZX or the Company) is pleased to announce the discovery of 2 diorite plugs, the important rock type which hosts gold at the nearby Triangle Deposit, in the Companys first-ever drill campaign hunting for such deposits on its Cadillac Break Property package in Val dOr, Quebec.
Drilling at Undaunted targeted previous intercepts from earlier in the year (see ASX release dated 01/03/11) and has identified a mineralised diorite with a strike length of 150m returning significant intercepts including: 16m @ 2.
Mineralized diorite porphryry intersected from surface to a depth of 281.
The latter unit grades to quartz diorite of the Calais Quartz Diorite, the most extensive component of the MPS.
Contract notice: Supply, transportation and delivery of diorite aggregate.
Yellowish-brown color staining due to the oxidation of sulfide bearing phases, especially pyrite and chalcopyrite, to limonite is very prominent along the shear zones within the Chalt volcanics and also along the contact zones with diorite.
Quartz diorite has later intruded the hornblende diorite in interpreted favourable structural settings.
Four groups are recognized on the basis of composition: gabbro (2 plutons), diorite - granodiorite (17 plutons), granodiorite - monzogranitc (8 plutons), and syenogranite - monzogranite (7 plutons).
asphalt masses with inert basalt or diorite without transportation.