Selected excerpts from placer gold recovery research
The highest percentage gold recoveries occurred at mines which screened their feed to minus one inch, used both expanded metal and angle iron riffles on top of nomad matting for every sluice run and fed their runs at recommended feed and water rates. Expanded metal riffles are efficient at recovering placer gold particles finer than 1 mm while angle iron riffles are more efficient at recovering those greater than 1 mm. Slick plates allow gold particles to segregate to the bottom of the pay gravel slurry where they are more readily available for recovery by the riffles.
Additional field testing of existing placer operations should be conducted to expand the knowledge of gold recovery at a greater variety of deposit types and recovery equipment such as hydraulic riffles.
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Additional Info
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| Last Updated | October 20, 2025, 02:05 (UTC) |
| Created | October 20, 2025, 02:05 (UTC) |
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Domain / Topic
Domain or topic of the dataset being cataloged.
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Title
Title for the Dataset.
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Selected excerpts from placer gold recovery research |
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Description
A description of the dataset.
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The highest percentage gold recoveries occurred at mines which screened their feed to minus one inch, used both expanded metal and angle iron riffles on top of nomad matting for every sluice run and fed their runs at recommended feed and water rates. Expanded metal riffles are efficient at recovering placer gold particles finer than 1 mm while angle iron riffles are more efficient at recovering those greater than 1 mm. Slick plates allow gold particles to segregate to the bottom of the pay gravel slurry where they are more readily available for recovery by the riffles. Additional field testing of existing placer operations should be conducted to expand the knowledge of gold recovery at a greater variety of deposit types and recovery equipment such as hydraulic riffles. |
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Format (CSV, XLS, TXT, PDF, etc)
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Dataset Size
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Metadata Identifier
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Published Date
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2011-04-04 |
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Time Period Data Span (start date)
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Time Period Data Span (end date)
End date of time data in the dataset.
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GeoSpatial Area Data Span
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Access category
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License
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Open Government Licence - Yukon |
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Limits on use
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Location
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https://open.canada.ca/data/en/dataset/7794afbb-3aa5-4467-885a-0f7e4da90ee1 |
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Data Service
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Owner
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Government of Yukon | Gouvernement du Yukon |
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Contact Point
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Yukon Geological Survey |
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Contact Point Email
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Publisher
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Publisher Email
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[email protected] |
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Author
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Author Email
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Accessed At
Date the data and metadata was accessed.
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Identifier
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Language
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Contains data about individuals
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Contains data about identifiable individuals
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Contains Indigenous Data
Does the data hold data about Indigenous communities?
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Portal Type
Platform type of the source portal.
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Version
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None |
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Source
Source of the dataset.
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None |
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Version notes
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Is version of another dataset
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Other versions
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Provenance Text
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Provenance URL
Provenance URL of the data.
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Temporal resolution
Describes how granular the date/time data in the dataset is.
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GeoSpatial resolution in meters
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GeoSpatial resolution (in regions)
Describes how granular (in regions) geospatial data is in the dataset.
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Indigenous Community Permission
Who holds the Indigenous Community Permission. Who to contact regarding access to a dataset that has data about Indigenous communities.
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Community Permission
Community permission (who gave permission).
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The Indigenous communities the dataset is about
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Number of data rows
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Number of entities
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Number of data properties
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Data quality
Describes the quality of the data in the dataset.
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Metric for data quality
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