Mine · Queensland

Duchess

Duchess is an operating phosphate mine in Queensland, Australia. It is recorded at approximately -21.875, 139.968 (positional accuracy: 100 metres), and appears in this directory's consolidated register of Australian mines and quarries, built from government geological-survey data.

The site is recorded as operating. Status reflects the most recent government dataset this directory ingested; operations can change between dataset releases.

Queensland's geology and operations are documented in depth by the Geological Survey of Queensland; the sources for this page are listed below.

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At a glance

Common questions

Is Duchess still operating?

Duchess is recorded as "Operating" in the most recent government dataset this directory ingested. Statuses can change between dataset releases.

What does Duchess produce?

The recorded commodities are Phosphate.

Where is Duchess?

In Queensland, at approximately -21.875, 139.968.

Who operates Duchess?

The public datasets this directory uses don't record an operator for this mine. If you can help complete this record, use the correction link on this page.

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Care & maintenance

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Sources for this page

Geoscience Australia — OZMIN (EarthResourceML-Lite WFS) — licensed CC BY 3.0 AU , retrieved 2026-08-24

Record last rebuilt from source data: 2026-08-29.

Status	Operating
Type	Mine
Commodities	Phosphate
State	Queensland
Coordinates	-21.8746, 139.9682 (100 metres)
Map	Open reference point ↗