The Argonne plate. Relief from Copernicus GLO-30; rivers and lakes from USGS NHD; watersheds from the USGS Watershed Boundary Dataset; roads and city limits from Census TIGER 2024.
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Argonne’s center stands about 1,670 ft above sea level. Within three miles the land runs from 1,610 ft to 1,820 ft, a difference of 210 ft: rolling country.
Under the town center the state geologic map shows Granite-tonalite (granite, tonalite, gneiss), from the Paleoproterozoic, 1.8 to 1.9 billion years old.
The section below crosses 2 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 54×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Granite, tonalite, gneiss. Age: Paleoproterozoic, 1.8 to 1.9 billion years old. About 16 mi of the line.
Basalt, basaltic-andesite. Age: Paleoproterozoic, 1.6 to 2.5 billion years old. About 8 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale.
Heights from Copernicus GLO-90 (a surface model: it includes buildings and tree canopy); summits from USGS GNIS; rivers from USGS NHDPlus HR; rock from the USGS State Geologic Map Compilation.
A raindrop that lands in Argonne reaches Lake Michigan by way of the North Branch Popple, the Popple, the Pine River and the Menominee: about 170 river miles. From there it moves on through the Great Lakes, over Niagara Falls and down the St. Lawrence to the Atlantic.
100 miles of the trip are on the Menominee.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Argonne; river miles along the main stem, rounded.
