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Mexico
Cerro Caliche Project

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 Location:
50 km SE from Santa Ana, Sonora, Mexico

  Project Contacts:
Suite #1290– 625 Howe St.
Vancouver
British Columbia, Canada
V6C 2T6
Phone  ...  Subscription required
EmailEmail
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StagePermitting
Mine TypeOpen Pit
Commodities
  • Gold
  • Silver
Mining Method
  • Truck & Shovel / Loader
Mine Life7.25 years (as of Jan 1, 2022)
Latest NewsSonoro Gold Reports Updated Mineral Resource Estimate At Cerro Caliche Gold Project     February 7, 2023


Owners

Source: p. 16
CompanyInterestOwnership
Sonoro Gold Corp. 100 % Indirect
The Project is comprised of 15 contiguous mining concessions covering a total area of 1,350.10 hectares held under five option agreements by Sonoro’s wholly owned Mexican subsidiary, Minera Mar De Plata, S.A. de C.V. (MMP), a company duly incorporated under the laws of Mexico.

Contractors

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Deposit Type

  • Vein / narrow vein
  • Breccia pipe / Stockwork
  • Epithermal


Summary:

The Cerro Caliche deposits are considered a Low Sulfidation Epithermal Precious Metal mineral deposit type as are the nearby Mercedes (Burtner, 2013) and Cerro Prieto (Giroux, Bain, 2013) gold mines. A working field model adapted includes field identifiable vein textures in quartz veins which have been adapted to the model. Textures suggesting boiling include lattice and bladed, which developed in partial quartz replacement of carbonate minerals along cleavage planes showing an indication of boiling that produces local acidic conditions. Adularia is also tentatively identified by its pink colored vein material which is also indicative of boiling fluid deposition. Also present are numerous bands of coarse to fine quartz in near rhythmic wall parallel bands that also surround fragments in the vein. The veins of the western side of the property, located near to and west of the Zorillo veins, are formed of white glassy quartz that do not contain more than geochemically anomalous gold (less than 50 ppb Au).

Detailed structural geological mapping and analysis completed in 2021 on the central portion of the Project concludes that the main trend of quartz veins is oriented north 20-50° west (Azimuth 310- 340°) with a secondary quartz vein system oriented north 30-50° east (Azimuth 30-50°). Identified faults show a similar orientation to the main veins trend, implying faulting activation along veins plains.

A second faulted trend, with general orientation northea ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

The long-term open pit mining evaluation for the Cerro Caliche Project will provide a nominal rate of 8,000 mtpd for the initial two years of production with an increase to15,000 mtpd for the remaining Run of Mine (ROM) and average 60,239 ounces mined per year over seven (7) years and three and a half months for a total of 446, 959 ounces mined. The overall waste/Mineralized Material ratio was calculated at 2.08:1 from a total of 98.9 Mt of rock mined, of which 66.8 Mt is waste and the remaining 32.2 Mt is leach feed.

Assumed open pit mining methods will use front-end loaders and hydraulic excavator to load haul trucks for waste and mineralized material haulage. Mining activities will include site clearing, removal of growth medium (topsoil), free-digging, drilling, blasting, loading, hauling, and mining support activities.

Material within the pit will be generally blasted on a six m high bench. The stripped waste material will be placed in assigned dumps and lower-grade mineralized material will be placed into a designated stockpile area or areas as needed during operations despite there being no strategic stockpiling in the Life of Mine (LOM) production schedule.

The mine fleet equipment is assumed to be provided by the mining contractor. The exact fleet will be determined at the time of operation.

The mine will be scheduled to operate 360 days per year, with five days scheduled for non-operation (Scheduled Loss= SL); Utilized t ........


Crushing and Grinding
Source: Subscription required

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Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Projected Production:

CommodityUnitsAvg. AnnualLOM
Gold oz 330,742
Silver oz  ......  Subscription required
Gold Equivalent oz  ......  Subscription required  ......  Subscription required
All production numbers are expressed as metal in doré.

Operational Metrics:

Metrics
Stripping / waste ratio  ......  Subscription required
Daily ore mining rate  ......  Subscription required
Waste tonnes, LOM  ......  Subscription required
Ore tonnes mined, LOM  ......  Subscription required
Total tonnes mined, LOM  ......  Subscription required
Daily processing capacity  ......  Subscription required
Tonnes processed, LOM  ......  Subscription required
Annual processing capacity  ......  Subscription required
* According to 2022 study.
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Reserves at August 24, 2021:
The pit constrained AuEq cut-off grade of 0.207 g/t Au.

CategoryTonnage CommodityGradeContained Metal
Measured 12,844 kt Gold 0.37 g/t 155 koz
Measured 12,844 kt Silver 3.79 g/t 1,566 koz
Measured 12,844 kt Gold Equivalent 0.39 g/t 163 koz
Indicated 13,851 kt Gold 0.44 g/t 194 koz
Indicated 13,851 kt Silver 3.1 g/t 1,378 koz
Indicated 13,851 kt Gold Equivalent 0.45 g/t 201 koz
Measured & Indicated 26,695 kt Gold 0.41 g/t 349 koz
Measured & Indicated 26,695 kt Silver 3.43 g/t 2,944 koz
Measured & Indicated 26,695 kt Gold Equivalent 0.42 g/t 364 koz
Inferred 5,463 kt Gold 0.4 g/t 71 koz
Inferred 5,463 kt Silver 7.34 g/t 1,289 koz
Inferred 5,463 kt Gold Equivalent 0.44 g/t 77 koz

Commodity Production Costs:

CommodityUnitsAverage
Cash costs Gold Equivalent USD  ......  Subscription required&nbs
All-in sustaining costs (AISC) Gold Equivalent USD  ......  Subscription required&nbs
Assumed price Silver USD  ......  Subscription required&nbs
Assumed price Gold USD  ......  Subscription required&nbs
* According to 2022 study / presentation.
Subscription required - Subscription is required.

Operating Costs:

Units2022
OP mining costs ($/t milled) USD 1.85 *
Crushing costs ($/t milled) USD  ......  Subscription required
Processing costs ($/t milled) USD  ......  Subscription required
G&A ($/t milled) USD  ......  Subscription required
Total operating costs ($/t milled) USD  ......  Subscription required
* According to 2022 study.
Subscription required - Subscription is required.

2022 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Pre-Production capital costs $M USD  ......  Subscription required
Sustaining CapEx $M USD  ......  Subscription required
Closure costs $M USD  ......  Subscription required
Total CapEx $M USD  ......  Subscription required
OP OpEx $M USD  ......  Subscription required
Processing OpEx $M USD 213
Refining costs $M USD  ......  Subscription required
G&A costs $M USD 19.7
Total OpEx $M USD  ......  Subscription required
Income Taxes $M USD  ......  Subscription required
Royalty payments $M USD  ......  Subscription required
Gross revenue (LOM) $M USD  ......  Subscription required
Net revenue (LOM) $M USD  ......  Subscription required
Pre-tax Cash Flow (LOM) $M USD  ......  Subscription required
After-tax Cash Flow (LOM) $M USD  ......  Subscription required
Pre-tax NPV @ 5% $M USD  ......  Subscription required
Pre-tax NPV @ 3% $M USD  ......  Subscription required
After-tax NPV @ 5% $M USD  ......  Subscription required
After-tax NPV @ 3% $M USD  ......  Subscription required
Pre-tax IRR, %  ......  Subscription required
After-tax IRR, %  ......  Subscription required
After-tax payback period, years  ......  Subscription required
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Proposed Heavy Mobile Equipment as of May 9, 2022:
HME TypeSizeQuantityLeased or
Contractor
Bulldozer 310 HP ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required May 9, 2022
....................... Subscription required ....................... Subscription required Subscription required May 9, 2022
....................... Subscription required ....................... Subscription required Jul 14, 2022
Subscription required - Subscription is required.

Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required Subscription required Subscription required 2022

Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2022
Preliminary Economic Assessment 2022
................................... Subscription required 2021
Subscription required - Subscription is required.

News:

NewsDate
Sonoro Gold Reports Updated Mineral Resource Estimate At Cerro Caliche Gold Project February 7, 2023

Subscription required - Subscription is required.

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