Announcement Date: 2022-11-28
Announcement Type: Deposit Estimation
Announcement Code: NI43-101
Company name: PolyMet Mining Corp.
Project name: Mesaba
Location: United States
Commodities: Gold,Palladium,Platinum,Silver,Copper,Nickel,Cobalt
Highlight: Updated Resource Estimate for Project
Resources: only available to subscribers
CP/QP: only available to subscribers
Announcement summary: PolyMet Mining Corp. (“PolyMet”) requested Independent Mining Consultants, Inc. (“IMC”) and JDS Energy & Mining Inc. (“JDS”) to complete an update to the mineral resource estimate of the Mesaba Polymetallic Deposit located in St. Louis County, Minnesota. The technical work was completed during October 2022 and the effective date of this report is November 28, 2022. The updated mineral resource is tabulated in Table 1-1 within a pit shell defined by the input parameters shown in Sections 1.12 and 14.12 of this report The Mesaba Mineral Resources meet the current CIM definitions for classified resources. However, due to the uncertainty that may be attached to Inferred Mineral Resources, it cannot be assumed that all or any part of an Inferred Mineral Resource will be upgraded to an Indicated or Measured Mineral Resource as a result of continued exploration. Confidence in the Inferred portion of the estimate is insufficient to allow the meaningful application of technical and economic parameters or to enable an evaluation of economic viability worthy of public disclosure. Inferred Mineral Resources must be excluded from estimates forming the basis of feasibility or other economic studies.
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