The Gilbert Creek 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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Gilbert Creek’s center stands about 1,400 ft above sea level. Within three miles the land runs from 900 ft to 2,090 ft, a difference of 1,190 ft: steep hill country. The highest named summit within 15 miles is Burning Rock, about 3,010 ft, 14 miles northeast.
Under the town center the state geologic map shows Kanawha Formation (sandstone), from the Carboniferous, 299 to 324 million years old.
The section below crosses 4 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 11×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Sandstone. Age: Carboniferous, 299 to 324 million years old. About 16 mi of the line.
Sandstone, shale, siltstone. Age: Carboniferous, 299 to 324 million years old. About 4 mi of the line.
Shale, siltstone. Age: Carboniferous, 299 to 324 million years old. About 3 mi of the line.
Sandstone. Age: Carboniferous, 299 to 324 million years old. About 1 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 Gilbert Creek reaches the Gulf of America by way of Gilbert Creek, Horsepen Creek, the Guyandotte, the Ohio and the Mississippi: about 1,750 river miles.
970 miles of the trip are on the Mississippi.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Gilbert Creek; river miles along the main stem, rounded.
