The gossan of a lead deposit in limestone, Yukon Territory
The interpretation of leached outcrops as guides to the specific minerals from which they were formed has been developed to a rather high degree by earlier workers, among whom Boswell and Blanchard deserve particular mention. In the present work, a gossan that led to the discovery of a lead deposit is described. Since many hand specimens of the limonite from this gossan lack the characteristic boxwork structures described by the authors above, microscopic investigations of thin and polished sections were carried out. However, the gossan is classified into six types mainly on the basis of its physical properties. At least three of these are correlated with types described by Boswell and Blanchard, one of pyrite derivation and the others from galena. The relative solubility of different limonite types in dilute HC1 was not found to be of as much value as some writers have indicated. The mineral deposits to which the limonite pointed the way have not been sufficiently exposed to allow detailed study, but the presence of tremolite and phlogopite in an area of disseminated mineralization indicates that this portion at least may be of contact metamorphic origin.
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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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The gossan of a lead deposit in limestone, Yukon Territory |
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Description
A description of the dataset.
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The interpretation of leached outcrops as guides to the specific minerals from which they were formed has been developed to a rather high degree by earlier workers, among whom Boswell and Blanchard deserve particular mention. In the present work, a gossan that led to the discovery of a lead deposit is described. Since many hand specimens of the limonite from this gossan lack the characteristic boxwork structures described by the authors above, microscopic investigations of thin and polished sections were carried out. However, the gossan is classified into six types mainly on the basis of its physical properties. At least three of these are correlated with types described by Boswell and Blanchard, one of pyrite derivation and the others from galena. The relative solubility of different limonite types in dilute HC1 was not found to be of as much value as some writers have indicated. The mineral deposits to which the limonite pointed the way have not been sufficiently exposed to allow detailed study, but the presence of tremolite and phlogopite in an area of disseminated mineralization indicates that this portion at least may be of contact metamorphic origin. |
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Tags / Keywords
Keywords/tags categorizing the dataset.
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Format (CSV, XLS, TXT, PDF, etc)
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Dataset Size
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Metadata Identifier
Metadata identifier – can be used as the unique identifier for catalogue entry
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Published Date
Published date of the dataset.
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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
Type of access granted for the dataset (open, closed, service, etc).
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License
License used to access the dataset.
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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/76325dbc-b2db-4f0b-a396-a54fca2220c5 |
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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
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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
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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
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Temporal resolution
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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 data columns
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Number of data cells
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Number of data relations
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Number of entities
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Number of data properties
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Data quality
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Metric for data quality
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