Upper Triassic to Lower Jurassic stratigraphy of the Faro Peak formation, southern Tay River map area, central Yukon (NTS 105K)

The lower and upper members of the Faro Peak formation comprise Upper Triassic and Lower Jurassic successions, respectively, that are assigned to the Yukon-Tanana terrane in the southern Tay River map area (NTS 105K). The lower member is ~650 m-thick and contains a basal conglomerate overlain by argillite, limestone, basalt, and lithic feldspathic wacke to arenite that represents part of an overlap assemblage and regionally covers Paleozoic rocks of the Yukon-Tanana terrane, Slide Mountain terrane, and ancestral Cordilleran margin. The upper member has >800 m of massive conglomerate and sandstone that overlies different stratigraphic levels of the lower member and locally sits on Yukon-Tanana basement. The upper member is coeval with Whitehorse trough strata of central Yukon and similarly records Early Jurassic exhumation of the northern Intermontane terranes. The two members are lithologically distinct, of mappable extent, and have unconformable contacts, and therefore should be separated into two new formations.

Datasets available for download

• Yukon Geological Survey publication metadataHTML
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• Original metadata (https://open.yukon.ca)HTML
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• Science and Technology
• ygs-import
• ygs-import-20250711
• ygs-publications
• yukon-geological-survey

Additional Info

• Maturity Level 1 (46%)
• Maturity Level 2 (38%)
• Maturity Level 3 (0%)
• Maturity Level 4 (0%)
• Maturity Level 5 (0%)
• Maturity Level 6 (0%)

Field	Value
Last Updated	October 20, 2025, 02:22 (UTC)
Created	October 20, 2025, 02:22 (UTC)
Domain / Topic Domain or topic of the dataset being cataloged.
Title Title for the Dataset.	Upper Triassic to Lower Jurassic stratigraphy of the Faro Peak formation, southern Tay River map area, central Yukon (NTS 105K)
Description A description of the dataset.	The lower and upper members of the Faro Peak formation comprise Upper Triassic and Lower Jurassic successions, respectively, that are assigned to the Yukon-Tanana terrane in the southern Tay River map area (NTS 105K). The lower member is ~650 m-thick and contains a basal conglomerate overlain by argillite, limestone, basalt, and lithic feldspathic wacke to arenite that represents part of an overlap assemblage and regionally covers Paleozoic rocks of the Yukon-Tanana terrane, Slide Mountain terrane, and ancestral Cordilleran margin. The upper member has >800 m of massive conglomerate and sandstone that overlies different stratigraphic levels of the lower member and locally sits on Yukon-Tanana basement. The upper member is coeval with Whitehorse trough strata of central Yukon and similarly records Early Jurassic exhumation of the northern Intermontane terranes. The two members are lithologically distinct, of mappable extent, and have unconformable contacts, and therefore should be separated into two new formations.
Tags / Keywords Keywords/tags categorizing the dataset.	Science and Technology ygs-import ygs-import-20250711 ygs-publications yukon-geological-survey
Format (CSV, XLS, TXT, PDF, etc) File format of the dataset.
Dataset Size Dataset size in megabytes.
Metadata Identifier Metadata identifier – can be used as the unique identifier for catalogue entry
Published Date Published date of the dataset.	2020-01-16
Time Period Data Span (start date) Start date of the data in the dataset.
Time Period Data Span (end date) End date of time data in the dataset.
GeoSpatial Area Data Span A spatial region or named place the dataset covers.

Field	Value
Access category Type of access granted for the dataset (open, closed, service, etc).
License License used to access the dataset.	Open Government Licence - Yukon
Limits on use Limits on use of data.
Location Location of the dataset.	https://open.canada.ca/data/en/dataset/47f5e84b-d083-4639-818e-4d5f97d2d302
Data Service Data service for accessing a dataset.
Owner Owner of the dataset.	Government of Yukon | Gouvernement du Yukon
Contact Point Who to contact regarding access?	Yukon Geological Survey
Contact Point Email The email to contact regarding access?
Publisher Publisher of the dataset.
Publisher Email Email of the publisher.	[email protected]
Author Author of the dataset.
Author Email Email of the author.
Accessed At Date the data and metadata was accessed.

Field	Value
Identifier Unique identifier for the dataset.
Language Language(s) of the dataset
Link to dataset description A URL to an external document describing the dataset.
Persistent Identifier Data is identified by a persistent identifier.
Globally Unique Identifier Data is identified by a persistent and globally unique identifier.
Contains data about individuals Does the data hold data about individuals?
Contains data about identifiable individuals Does the data hold identifiable data about individual?
Contains Indigenous Data Does the data hold data about Indigenous communities?
Portal Type Platform type of the source portal.

Field	Value
Version Version of the datatset	None
Source Source of the dataset.	None
Version notes Version notes about the dataset.
Is version of another dataset Link to dataset that it is a version of.
Other versions Link to datasets that are versions of it.
Provenance Text Provenance Text of the data.
Provenance URL Provenance URL of the data.
Temporal resolution Describes how granular the date/time data in the dataset is.
GeoSpatial resolution in meters Describes how granular (in meters) geospatial data is in the dataset.
GeoSpatial resolution (in regions) Describes how granular (in regions) geospatial data is in the dataset.

Field	Value
Indigenous Community Permission Who holds the Indigenous Community Permission. Who to contact regarding access to a dataset that has data about Indigenous communities.
Community Permission Community permission (who gave permission).
The Indigenous communities the dataset is about Indigenous communities from which data is derived.

Field	Value
Number of data rows If tabular dataset, total number of rows.
Number of data columns If tabular dataset, total number of unique columns.
Number of data cells If tabular dataset, total number of cells with data.
Number of data relations If RDF dataset, total number of triples.
Number of entities If RDF dataset, total number of entities.
Number of data properties If RDF dataset, total number of unique properties used by the triples.
Data quality Describes the quality of the data in the dataset.
Metric for data quality A metric used to measure the quality of the data, such as missing values or invalid formats.

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