Scientific data near [45.59374,-87.54395]

Search area extends approximately 2.2 km east-west and 3.2 km north-south.

Geographic context

Counties, states, countries, continents, or oceans
Menominee	county
Michigan	state
United States	country
North America	continent
Land	continent
Map quadrangles, from USGS or Canadian NTS
Nadeau	quadrangle 1:24,000 scale
Escanaba	quadrangle 1:100,000 scale
Escanaba	quadrangle 1:250,000 scale
Watershed boundaries (USGS hydrologic units)
Menominee	hydrologic unit
Northwestern Lake Michigan	hydrologic accounting unit
Northwestern Lake Michigan	hydrologic subregion
Great Lakes	hydrologic region

Geology of US states

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

Database Home

Unit	State	Lithology
Prairie du Chien Group	MI	Early 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.

Database Home

ID	Data type	Description
Menominee	M-Dz	Menominee 4184 line km with spacing 0.80 km over parts of MI-WI
Escanaba	M/R-D	Escanaba 1284 line km with spacing 9.60 km over parts of MI-WI
Iron Mountain - Menominee Region	M-D	Iron Mountain - Menominee Region 37553 line km with spacing 0.15 km over parts of MI

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).

Database Home

Tract	Deposit Type	Mineralization age
LS04	Massive sulfide, kuroko	Early Proterozoic
LS09	Mississippi Valley, S.E. Missouri Pb-Zn	Late Paleozoic
LS10	Low-sulfide Au-quartz vein	Early Proterozoic

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.

Database Home

Domain	Crust type	Region
Minnesota River	Sialic protocontinent	Central and Southwest

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.

Database Home

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.
LS07 - Lake Superior	sediment-hosted stratabound copper	Marine carbonaceous strata of the Mesoproterozoic Nonesuch Formation overlying Mesoproterozoic continental clastic rocks of the Copper Harbor Formation, Midcontinent Rift

Prospect- and mine-related features on USGS topographic maps

Symbols indicating mining-related features digitized from historical USGS topographic maps in the western part of the conterminous US. Includes prospect pits, mine shafts and adits, quarries, open-pit mines, tailings piles and ponds, gravel and borrow pit

Database Home

Feature ID	Feature type	Feature name
Gravel Pit	point
Gravel Pit	point