Stocks (assets)
Flows (benefits)

Quantity of environmental asset

Quality of environmental asset

Metallic mineral ores extracted

Metallic mineral ores extracted - monetary value

Units

Mass, e.g. tonnes (t)

Example methods / guidance / references

What are tiers?

Tier 1

Estimate using own judgement and observations

Tier 2

Estimate using third-party professional estimates or public data

Tier 3

Model or measure based on site-specific surveys/sampling, remote or in-field sensing, laboratory analysis, etc.

Example data sources

Internal records

Third-party data sources

Data on annual production of identified mineral resources in Australia, by mineral, are available in the latest version of Australia’s Identified Mineral Resources.

Site-specific measurements or model outputs

Notes

Work in progress - Feedback welcome

Units

Currency, e.g. A$

Example methods / guidance / references

What are tiers?

Tier 1

Estimate using own judgement and observations

Tier 2

Estimate using third-party professional estimates or public data

Tier 3

Model or measure based on site-specific surveys/sampling, remote or in-field sensing, laboratory analysis, etc.

Example data sources

Internal records

Third-party data sources

Data on annual production of identified mineral resources in Australia, by mineral, are available in the latest version of Australia’s Identified Mineral Resources.

Site-specific measurements or model outputs

Notes

Work in progress - Feedback welcome

Units

Various

Example methods / guidance / references

What are tiers?

Tier 1

Estimate using own judgement and observations

Tier 2

Estimate using third-party professional estimates or public data

Tier 3

Model or measure based on site-specific surveys/sampling, remote or in-field sensing, laboratory analysis, etc.

Example data sources

Internal records

Third-party data sources

Site-specific measurements or model outputs

Notes

Work in progress - Feedback welcome

Units

Mass, e.g. tonnes (t)

Example methods / guidance / references

What are tiers?

Tier 1

Estimate using own judgement and observations

Tier 2

Estimate using third-party professional estimates or public data

Tier 3

Model or measure based on site-specific surveys/sampling, remote or in-field sensing, laboratory analysis, etc.

Example data sources

Internal records

Third-party data sources

Maps showing the locations of mineral resources across Australia are available at the Geoscience Australia Portal (select layer: Mineral Resources and Reserves – Geoscience Australia). Data on quantities of identified mineral resources in Australia, by mineral, are available in the latest version of Australia’s Identified Mineral Resources.

Site-specific measurements or model outputs

Notes

Work in progress - Feedback welcome