The Pitanayo Vein System is located in the Metallogenic Belt XXI-A related to Au-Ag epithermal hosted in volcanic rocks.
Where are important mines and projects such as Arcata, Ares, Orcopamapa, Pariguanas, among others.
The Vein System of the Pitanayo Project corresponds to a system of silver veins associated with a low sulphidation epithermal deposit. The veins are filled with quartz in various stages, distinguishing between white, hyaline, amethyst and gray quartz.
Mineralogically, the veins are composed of: red silver, stembergite, argentite, polybasite, and sporadically sphalerite, galena, chalcopyrite and marcasite.
The width of the vein goes from 0.40m to 1.20m

The project is located approximately 10 hours from the port of Ilo.

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The mine is located in metallogenic strip III associated with deposits of Lithium, Uranium, Tungsten, Tin, Molybdenum, Gold, Copper, Lead and Zinc. The veins of the Antaorco mine are located within granite bodies belonging to the Upper Jurassic Aricoma Pluton.

Structurally, it is made up of sulphide quartz veins with galena, chalcopyrtia and arsenopyrite content, the strength of the structure is variable, ranging from 0.30m to 2.00m. The main vein outcrops along 100m. with a bell tower of more than 180m.

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It is accessed through the South Pan-American Highway – Vía los Libertadores – Rumichaca Bridge – María Fé Project.
The project is located 3.5 hours from the port of Pisco.
Currently, the María Fé project has 400 ha titled and 200 ha in process.
There is an exploitation Reinfo registration (in process in the name of West Mountain), which allows diamond drilling work and a production of up to 350 t/day.
Within the Mining Property there is a processing and tailings dam plant (inoperative), which will allow obtaining permits for a beneficiation plant quickly.

Geological Context

The vein system of the María Fe project is made up of banded veins located in siltstones, sandstones and conglomerates of the Casapalca Formation metallotect.

It is located towards the eastern margin of the Chonta Fault. Where are important mines and projects such as Recuperada, Caudalosa Chica (Kolpa), arcopunco, among others.

The geological characteristics are comparable to those of the Marta mine (Cia. Minera Barbastro S.A.C.), with the difference that the replacement bodies located in the calcareous levels are preserved under the layers of the Fm. Casapalca.

Stratigraphy

Stratigraphically, the project is located in the Ayacucho domain, where the lower member of the Casapalca formation reaches a thickness of between 200m and 300m, overlying calcareous sequences of the Fm. Condorsinga from the Pucara group. (Rildo Rodríguez 2008)

Mining Potential

The presence of 13 vein structures is observed, with more than 9.5 km of Veins. The Juanita Vein being the main structure with more than 1.2 km of outcrop and variable thicknesses of up to 2.50m in addition to scattered boxes.

The veins are made up of calcite and quartz with a banded and breccia texture; and the mineralization is composed of disseminated sphalerite, galena and smithsonite.

The Juanita vein was partially mined on the surface through open pits. Historical drilling indicates the presence of mineralized nails with contents of up to 5.58 Oz/t Ag, 26.5% Zn, 1.28% Cu and 7.57% Pb.

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It possibly consists of a VMS-type deposit located on levels of andesitic lavas with a porphyritic texture belonging to the Calipuy Group. The mineralization occurs in the form of mantles 10 to 20 meters thick with high values of copper and silver. The Project has currently been divided into three sectors: El Chilco Sector and Nueva Esperanza Sector and the Vetas Munchugo Sector that are currently under exploration.

Geologically, the Project is based on a sequence of sedimentary rocks, overlying volcanic rocks of the Calipuy Group, made up mainly of pyroclastics and lavas of andesitic composition. and  metallogenetically, the project is located on the limit of the strips of Au and Ag epithermal deposits, Cu, Mo and VMS porphyries.

Targets

The El Chilco Sector shows high geochemical anomalies with copper concentrations from 0.8% to 4% and silver values from 6 to 47 gr/T, accompanied by anomalous values in Mo, Ni, V, Pb and Zn.

In the Nueva Esperanza Sector, the mineralized structures show high concentrations of copper between 0.6 – 1.0%, accompanied by anomalous values of Bi, Mo, Ni, V, Pb and Zn.

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Within the mining property, it was possible to identify two important vein structures, with more than 1.5km of recognized structures divided into two main structures, the San Mateo vein being the most important because it contains the most important results in gold.

The San Mateo vein presents mineralization characteristics and favorable grades for small-scale mining activity, having more than 100 meters of outcrop and 200 meters of flare from the access road.

The location of the Pativilca de Oro mining concession is ideal from the mining point of view, since it is located 20 minutes from the North Pan-American highway, in addition to having relatively close water and electricity services, this makes the mining property an important factor. to take into account when evaluating future investments

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The Doña Elvira mine is located in the Crucero district, Carabaya province, Puno department.

Geology

The lithology is represented by greenish gray sandstones of the Tarma group. The mineralization is in veins and is made up of fine-grained galena, sphalerite, malachite and iron oxides, with a quartz gangue. The type of deposit is vein and in the form of a rosary.

Comments

The main vein has a strike of N10° W and a dip of 65°NE, being an irregular deposit. The power of the vein ranges from 0.40m to 1.20m. You can see a main work in a gallery that is approximately 50 meters long with a width of up to 2.5m. Currently there are no mining works.

Geochemistry

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