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Spain
La Parrilla Mine

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 Location:
4 km E from Vivares, Spain

  Address:
Finca La Parrilla
Almoharin
Spain
10132
Phone  ...  Subscription required
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Financials
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Tin
  • Tungsten
Mining Method
  • Truck & Shovel / Loader
Processing
  • Jig plant
  • Crush & Screen plant
  • Spiral concentrator / separator
  • Gravity separation
  • Filter press plant
  • Dry Screening
  • Electrostatic separation
  • Shaker table
  • Flotation
  • X-Ray sorting
Mine Life11 years (as of Jan 1, 2019)
Latest NewsLa Parrilla mining contract awarded     June 7, 2019


Owners

Source: p. 7,55
CompanyInterestOwnership
W Resources Plc 100 % Indirect

Deposit Type

  • Vein / narrow vein


Summary:

The Hercynian tungsten mineralisation is interpreted to be of granitic affiliation. Mineralisation occurs as quartz veins bundles within a ring-dyke model and disseminated in greissenized granitic fingers.

La Parrilla Mine is located in the southeastern part of the central Iberian zone of the Iberian Massif, also known as the Hercynian Massif, which occupies the western part of the Iberian Peninsula, composed of crystalline and metamorphic rocks from the Paleozoic. The mineralization comprises coarse-grained scheelite- bearing veins located within greywackes and slates of the “Complejo Esquisto-Grauváquico” formation, from the Precambrian- Lower Cambrian.

These rocks have been folded and fractured by the Cadomian, Hercynian (the most important), and Alpine orogenies, and have also been afected by a low-grade regional metamorphism (green shale facies). The existence of a contact metamorphism halo indicates the possible presence of a Hercynian granite batholite at depth. The geology and metallogeny of the mine have been studied in detail by Campos et al. (1995) and Gumiel and Campos (2002).

The genetic model for the mineralization of La Parrilla has been interpreted by several studies as having granitic afliation. The mineralization is presented as beams of seams from within a ring- dyke model, disseminated in granitic fngers. The mineralised veins have a NE–SW orientation and dip 30º SE, and their thickness range up to 3.95 m. The veins show good continuity, over 300 m in depth and spanning several hundred meters. Mineralization consists of scheelite, arsenopyrite, cassiterite, and in less abundance, pyrite, sphalerite, muscovite, tourmaline, and wolframite.


Mining Methods

  • Truck & Shovel / Loader


Summary:

La Parrilla is a large, low capital, low operating cost tungsten and tin mine development located in Spain. The mine is approximately 300km southwest of Madrid and approximately 257km north of Seville, Spain.

Ore is to be mined utilising a conventional truck and shovel configuration at a strip ratio of approximately 1.35t of waste for every 1t of ore (1.35:1) averaged over the initial years of planned production.


Crushing and Grinding
Flow Sheet: Source
Crusher / Mill TypeModelSizePowerQuantity
Jaw crusher 1
Cone crusher 2
Ball mill 1


Processing

  • Jig plant
  • Crush & Screen plant
  • Spiral concentrator / separator
  • Gravity separation
  • Filter press plant
  • Dry Screening
  • Electrostatic separation
  • Shaker table
  • Flotation
  • X-Ray sorting

Flow Sheet: Subscription required

Summary:

Mined ore is to be initially dry processed at the mine site through a conventional dry crushing and screening plant, including coarse x-ray ore sorting. Advanced jig technology produces a quality preconcentrate which is ultimately concentrated by conventional gravity techniques. A tin concentrate will be produced via electrostatic separation and arsenic levels reduced to below product specifications via standard sulphide flotation techniques.

The product strategy for the La Parrilla Project will be to produce a tungsten and tin product at a ratio of ~8:1. W and its market advisors expect the La Parrilla product to price at 80% of ammonium paratungstate (APT) pricing per mtu. As La Parrilla has provided in excess of 130t to European customers thus far with excellent feedback and product support, the higher grade, minimum 66% product with trace impurities will continue to exceed customer expectations.

Recoveries & Grades:

CommodityParameter2020
Tin Concentrate Grade, %  ......  Subscription required
WO3 Concentrate Grade, %  ......  Subscription required

Production:

CommodityProductUnits2020
Tin Metal in concentrate kt  ......  Subscription required
Tin Concentrate kt  ......  Subscription required
WO3 Concentrate kt  ......  Subscription required
WO3 WO3 in concentrate kt  ......  Subscription required
Subscription required - Subscription is required.

Operational Metrics:

Metrics2020
Ore tonnes mined  ......  Subscription required
Tonnes processed  ......  Subscription required
Subscription required - Subscription is required.

Reserves at May 11, 2017:
The La Parrilla mine reserves are set out in the following table based on the optimal LOM Pit. Estimate for La Parrilla Deposit using a 330 ppm WO3Cut-OU Grade and 5% dilution.
Mineral Resources for La Parrilla DepositUsing a 400 ppm WO3Cut-Off Grade.

CategoryTonnage CommodityGradeContained Metal
Proven 1.177 Mt Tin 251 ppm 295 t
Proven 1.177 Mt WO3 995 ppm 1,171 t
Probable 28.577 Mt Tin 111 ppm 3,156 t
Probable 28.577 Mt WO3 928 ppm 26,511 t
Proven & Probable 29.754 Mt Tin 116 ppm 3,451 t
Proven & Probable 29.754 Mt WO3 931 ppm 27,683 t
Measured 1 Mt Tin 278 ppm
Measured 1 Mt WO3 1115 ppm
Indicated 35 Mt Tin 110 ppm
Indicated 35 Mt WO3 1004 ppm
Inferred 13 Mt Tin 97 ppm
Inferred 13 Mt WO3 974 ppm
Total Resource 49 Mt Tin 110 ppm
Total Resource 49 Mt WO3 998 ppm

Financials:

Units20202019
Revenue M EUR  ......  Subscription required  ......  Subscription required
Operating Income M EUR  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required


Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Dec 19, 2021
....................... Subscription required ....................... Subscription required Subscription required Dec 19, 2021
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
Other 2017
Other 2017
Subscription required - Subscription is required.

News:

NewsDate
La Parrilla mining contract awarded June 7, 2019

Aerial view:

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