Northwire Canada EditionMonday, July 13, 2026
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CPAU 0.150 +3.5% MMX 0.075 +7.1% IE 12.47 −2.4% SASK 1.09 −1.8% MOG 0.390 +2.6% XIM 0.070 −6.7% S 0.110 −29.0% OMI 0.300 −4.8% BMM 3.85 +1.3% CGD 0.630 +10.5% OCG 0.275 −1.8% CAMB 0.960 −4.0% HMR 0.590 −4.8% GOFL 0.025 +0.0% SIG 1.02 −1.0% SGQ 0.400 +33.3% CPAU 0.150 +3.5% MMX 0.075 +7.1% IE 12.47 −2.4% SASK 1.09 −1.8% MOG 0.390 +2.6% XIM 0.070 −6.7% S 0.110 −29.0% OMI 0.300 −4.8% BMM 3.85 +1.3% CGD 0.630 +10.5% OCG 0.275 −1.8% CAMB 0.960 −4.0% HMR 0.590 −4.8% GOFL 0.025 +0.0% SIG 1.02 −1.0% SGQ 0.400 +33.3%
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SONORO FILES UPDATED PRELIMINARY ECONOMIC ASSESSMENT FOR THE CERRO CALICHE PROJECT

Sonoro Gold Files Updated PEA for Cerro Caliche, Confirming Prior Economics Amidst Capital Raise

By The Northwire Desk — AI Analysis Apr 15, 2026 · 08:00 SGO · 0.245 Sonoro Gold Corp.
Executive Summary
  • Event: Sonoro Gold Corp. filed an updated Preliminary Economic Assessment (PEA) for the Cerro Caliche Gold Project on April 15, 2026.
  • Key Metrics: The filing confirms the economic metrics previously announced in February 2026: Pre-tax NPV8 of $360 million, After-tax IRR of 50%, based on a gold price assumption of $3,500/oz.
  • Project Scope: 10-year Life of Mine (LOM), open-pit heap-leach operation. Initial production ramp-up at 12,000 tonnes per day (tpd) increasing to 16,000 tpd.
  • Costs: Initial CAPEX estimated at $83 million; All-in Sustaining Costs (AISC) of $1,902/oz AuEq.
  • Context: This filing follows an April 7, 2026 announcement of an $11 million CAD private placement intended to fund drilling and development. It also formalizes the PEA results first disclosed in a press release on February 28, 2026.
Material Impact
  • Confirmation vs. New Data: The April 15 filing largely reiterates the economic data released on February 28, 2026 (identical NPV, IRR, and CAPEX figures). Consequently, this news does not introduce new upside valuation drivers but rather formalizes the technical report required for permitting and financing.
  • Market Expectation: Given the February announcement, the market likely priced in these economics prior to April 15. The filing reduces regulatory uncertainty regarding NI 43-101 compliance but does not materially alter the investment thesis beyond confirming previous statements.
  • Financing Alignment: The news supports the capital raised in early April ($11 million CAD), validating the use of proceeds for development, though it highlights a significant funding gap between current capital and total project CAPEX ($83 million).
  • Risk Note: The base case gold price assumption of $3,500/oz is aggressive compared to historical averages. While the filing confirms the model, it does not mitigate the sensitivity risk if spot prices remain below this threshold.
SGO · Price
Company Overview
  • Company: Sonoro Gold Corp. is a gold exploration and development company focused on Mexico.
  • Flagship Project: Cerro Caliche Gold Project, located in Sonora, Mexico.
  • Project Status: Development stage; final permitting phase for open-pit heap-leach operation.
  • Resource Base: Updated Mineral Resource Estimate (March 2026) includes 51.8 Mt Measured + Indicated at 0.37 g/t Au (6,230 koz AuEq).
  • Secondary Asset: San Marcial Gold-Silver Project (Exploration stage), potential spin-out candidate into Oronos Gold Corp.
Read the original news release →

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