EstablishedFeed: germanium-containing zinc concentrates from a Tennessee mine, named by origin and type only. Operation: recovery of germanium as an intermediate leach concentrate for export. Period: before the mine's suspension, which persisted through 2024 — HISTORICAL. Composition, moisture, particle size, input requirements: NONE STATED. Smelter's own current status: UNKNOWN.
Reported for this deposit
The U.S. Geological Survey states that germanium-containing zinc concentrates produced at a Tennessee mine were sent, PRIOR TO the suspension of that mine's operations, to a zinc smelter in Clarksville, Tennessee, which recovered the germanium in the form of an intermediate leach concentrate for export. The survey states that the mine's operations remained suspended during 2024. The feed relationship it records is therefore PAST: it establishes that this material went to this smelter in a period that had already ended when the survey was written, and nothing about what the smelter takes now. The survey names the feed by origin and type only. It states no germanium content, no zinc content, no moisture, no particle size and no input requirement of any kind. This is an independent documented observation rather than an operator statement, and it supports no inference that the smelter would accept any other germanium-bearing material.
- assertion basis: SOURCE_REPORTED
Evidence support: Supported by the cited evidence · one source
Evidence: Survey 2025 · Primary authority
EstablishedInstallation: a zinc smelter in Clarksville, Tennessee, United States. Function as stated: zinc smelting with recovery of germanium as an intermediate leach concentrate. Named by: an independent national survey. Operator: NOT NAMED. Capacity: NOT STATED. Current status: NOT STATED — the account is bounded by a mine suspension that persisted through 2024.
Reported for this deposit
The United States Geological Survey names a zinc smelter in Clarksville, Tennessee, and states that germanium-containing zinc concentrates from a Tennessee mine were sent to it and that it recovered the germanium as an intermediate leach concentrate for export. The survey names the installation by town and type. It states no operator, no capacity and no current status.
- assertion basis: SOURCE_REPORTED
Evidence support: Supported by the cited evidence · one source
Evidence: Survey 2025 · Primary authority