granodiorite


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granodiorite

[¦gra·nō′dī·ə‚rīt]
(petrology)
A visibly crystalline plutonic rock composed chiefly of sodic plagioclase, alkali feldspar, quartz, and subordinate dark-colored minerals.
References in periodicals archive ?
Surface mapping indicates the target is underlain by the prospective granodiorites rocks that host the majority of mineralization at FGM.
Un dyke de porphyre quartzo-feldspathique renfermant de la biotite, oriente vers le nord-nord-ouest et s'inclinant abruptement vers l'ouest, est associe a la granodiorite du lac George, une coupole du magmatisme du batholite de Pokiok.
Previous drilling around the Standard Gold mine (surface and underground holes) indicates potential for bulk tonnage gold mineralization around the past-producing mine and along the granodiorite intrusion.
The Dot Property is located near the south-eastern margin of the Guichon Creek batholith and is underlain by medium-grained hornblende monzodiorite to granodiorite of the Highland Valley phase and coarser-grained granodiorite and younger porphyry intrusive rocks, possibly of Chataway, Skeena, or Bethsaida affinity (see Figure 1 at the following link: http://files.
Les concentrations de Hg les plus elevees dans les roches granitiques se trouvent dans les echantillons de la granodiorite du lac Boot, qui renferme jusqu'a.
Post-collisional features include development of dextral transpressive zones, linked temporally and spatially to emplacement of mantle-derived magmas such as sanukitoid-suite rocks (high-Mg granodiorite, monzodiorite), rare carbonatite and associated alkaline rocks.
Granito del foro is a distinctive igneous rock, in fact a granodiorite rather than a granite, long known and named for its use in buildings of the Roman Forum.
Inspection of the Magino gold resource block model identified multiple areas where additional drilling may further increase the Magino gold resource: Under the north-central portion of the conceptual open pit, along the southeast contact of the Webb Lake granodiorite stock, and a southwest extension of gold mineralization where potentially significant gold resources lie under the southwest high wall of the conceptual pit.
The Reedy Creek tenement was selected as it contains an area where the northeast magnetic linear feature intersects a north-west trending structure (possibly faulted contact Uralla Granodiorite and Sandon Beds).
Historical RC drilling at the Steiner Zone intersected gold mineralization within a large granodiorite stock that is associated with the same granodiorite that hosts gold mineralization at the nearby Eagle Zone.
The Ragged Falls Suite includes a somewhat compositionally-expanded suite containing subequal proportions of strongly foliated to mylonitic granodiorite and granite, and minor mafic intrusions (Currie 1988;Johnson and McLeod 1996) comprising the west-central part of the New River Belt (Figs.
The pit slopes are comprised of a top layer of overburden, rock from a slightly weathered zone and massive zones of volcanic, meta-volcanic, granodiorite and felsic type rocks.