The Due West 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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Due West’s center stands about 700 ft above sea level. Within three miles the land runs from 560 ft to 760 ft, a difference of 200 ft: gently rolling country.
Under the town center the state geologic map shows Gneiss of Laurens area (biotite-gneiss), from the Neoproterozoic to Cambrian, 487 to 1,000 million years old.
The section below crosses 9 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 52×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Mica-schist. Age: Neoproterozoic to Cambrian, 487 to 1,000 million years old. About 5 mi of the line.
Biotite-gneiss. Age: Neoproterozoic to Cambrian, 487 to 1,000 million years old. About 5 mi of the line.
Biotite-gneiss. Age: Neoproterozoic to Paleozoic, 252 to 1,000 million years old. About 5 mi of the line.
Metagranite. Age: Neoproterozoic to Devonian, 359 to 1,000 million years old. About 2 mi of the line.
Mylonite. Age: Carboniferous to Permian, 252 to 359 million years old. About 2 mi of the line.
Biotite-gneiss, mica-schist. Age: Neoproterozoic to Cambrian, 487 to 1,000 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. 3 smaller units along the line are not listed.
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 Due West reaches the Atlantic Ocean by way of Chickasaw Creek, the Little River and the Savannah: about 290 river miles.
230 miles of the trip are on the Savannah.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Due West; river miles along the main stem, rounded.
