Transatlantic Mining Commenced Running Gravity Gold Table Trial at the Miller Gold Mine
Original announcement by tmx on
- Company
- Transatlantic Mining Corp.
- Ticker
- TCO
- Exchange
- TSX
- Region
- Montana, USA
- Primary commodity
- Gold
- Secondary commodities
- Silver
- Document categories
- Metallurgy, Other
- Extracted
- 2026-09-13 03:11:08 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Transatlantic Mining has commenced a gravity table trial at the Miller Gold Mine in Montana after re-entering the mine and dewatering older levels. Visible gold was observed in the mine mud and in-situ within the walls, roof, and floor, prompting further geological sampling and drill planning.
Reasoning: The company has observed visible gold during a gravity table trial of mine mud and in-situ, which is a positive indicator for the Miller Gold Mine, though formal assay results are still pending.
Positive factors
- visual gold observed in mud and in-situ
- gravity table trial shows visible gold particles
- access to previously unworked historical mine levels
Negative factors
- no assay grades reported yet
- test scale is very small (mud trial)
- metallurgical recovery not yet quantified
Low confidence — this extraction should be reviewed alongside the original source.
Facts used in scoring: 1
Classification and evidence
Bench Scale Onlynegative
Only preliminary bench tests completed — no locked-cycle or pilot work.
Why it applies: The gold recovery results are based on a small-scale gravity table trial of mine mud rather than formal metallurgical testwork.
Evidence · text
“A gravity table has been set up in the mine to trial process the muds that have been extracted”
Byproduct Commodityneutral
The tested commodity is a byproduct rather than the primary economic driver.
Why it applies: Silver is mentioned as part of the general mineralization at the Miller Mine.
Evidence · text
“The gold and silver mineralization generally occurs on the contacts”
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: the document describes a flotation route ("concentrate")
Gravity Routeneutral
Gravity separation forms a material part of the flowsheet.
Why it applies: the document describes a gravity route ("gravity")
Single Domain Onlynegative
Testing limited to one composite or domain — representativeness not established.
Why it applies: only one composite was tested
Extracted facts
Stored fact records: 1. Some facts used in scoring do not have a stored record.
Metallurgical Results (1)
gravityMiller Gold Mine · goldView all detailsHide details
Identity
- Project
- Miller Gold Mine
- Commodity
- gold
- Region
- usa_mt
- Reported Region
- Montana, USA
- Ticker
- TCO
Test Work
- Program Status
- preliminary
- Test Type
- gravity
- Processing Route
- gravity table
- Sample
- mud extracted from the lowest level of the mine
Recovery
- Recovery Basis
- unspecified
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2023-01-30T00:00:00.000Z
Reasoning: Visual identification of gold in a gravity trial is a positive qualitative signal but lacks quantitative assay data.
Positive factors
- visible gold observed in concentrate via panning
Negative factors
- no numeric grade or recovery reported
Evidence · text
“Gold has been clearly identified and further work is being undertaken to determine the quantum of the gold content.”
Tags used in scoring
Gravity Routeneutral
Gravity separation forms a material part of the flowsheet.
Why it applies: processing_route matches the gravity signal
How Atlas produces this analysis
Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.