Scientific data near [44.36620,-73.17490]

Search area extends approximately 2.2 km east-west and 3.1 km north-south.

Geographic context

Counties, states, countries, continents, or oceans
Chittenden	county
Vermont	state
United States	country
North America	continent
Land	continent
Map quadrangles, from USGS or Canadian NTS
Mount Philo	quadrangle 1:24,000 scale
Lake Champlain South	quadrangle 1:100,000 scale
Lake Champlain	quadrangle 1:250,000 scale
Watershed boundaries (USGS hydrologic units)
Winooski	hydrologic unit
Richelieu	hydrologic accounting unit
Richelieu	hydrologic subregion
Mid Atlantic	hydrologic region

Geology of US states

Digital geologic maps of the US states with consistent lithology, age, GIS database structure, and format

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Unit	State	Lithology
Danby Formation	VT	Upper Cambrian
Clarendon Springs Formation	VT	Upper Cambrian
Cutting Dolostone	VT	Lower Ordovician
Shelburne Marble	VT	Lower Ordovician

Airborne geophysical surveys

Aerial surveys of magnetic anomaly and gamma ray emission; older surveys were analog record which have been digitized, newer surveys collected data in digital form.

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ID	Data type	Description
Vermont Regional	M-Dz	Vermont Regional 1190 line km with spacing 3.20 km over parts of VT
Lake Champlain Detail	M/R-D	Lake Champlain Detail 1255 line km with spacing 2.00 km over parts of NY-VT
Lake Champlain	M/R-D	Lake Champlain 906 line km with spacing 10.00 km over parts of NY-VT-NH

Estimates of undiscovered mineral resources

National Mineral Resource Assessment 1998: Estimates of the number of undiscovered mineral resources of gold, silver, copper, lead, and zinc within identified permissive tracts (geographic areas in which mineral deposits may form).

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Tract	Deposit Type	Mineralization age
NA18	Sandstone-hosted Pb-Zn	Cambrian - Ordovician
NA22	Mississippi Valley, Appalachian Zn	Cambrian - Ordovician
NA20	Sedimentary exhalative Zn-Pb	Cambrian - Ordovician

The continental crust

Seventy-seven major components of the North American continent were delineated at a general scale (1:5,000,000); including the general composition, geological environment, and types of primary metals endowments that can be expected in each domain.

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Domain	Crust type	Region
Laurentides	Passive margin	Southeastern Laurentia and Appalachians

Geochemistry of stream sediments in the US from the NURE-HSSR database

National-scale geochemical analysis of stream sediments and soils in the US collected and analyzed under the National Uranium Resource Evaluation program.

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Sample ID	Date collected	Sample type
5322303	1977-09-22	Stream sediment sample from flowing stream, sieved to less than 149 microns (-100 mesh) and dried at less than or equal to 110øC.

Geochemistry of water samples in the US from the NURE-HSSR database

National-scale geochemical analysis of water samples in the US collected and analyzed under the National Uranium Resource Evaluation program.

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Sample ID	Date collected	Sample type
1259037	1977-09-22	Stream water sample filtered through a 0.8 micron filter at the site.

Global assessment of undiscovered copper resources

Deposits, prospects, and permissive tracts for porphyry and sediment-hosted copper resources worldwide, with estimates of undiscovered copper resources.

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Tract name	Deposit type	Geology
Pacific Margin	porphyry copper	Cretaceous through middle Tertiary volcanic and intrusive rocks representing a series of continental- and island-arc systems accreted and superimposed onto the paleomargin of northeast Asia.