The City of the Sun 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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City of the Sun’s center stands about 4,140 ft above sea level. Within three miles the land runs from 4,000 ft to 4,400 ft, a difference of 400 ft: rolling country. The highest named summit within 15 miles is South Peak, about 7,020 ft, 14 miles north.
Under the town center the state geologic map shows Piedmont alluvial deposits (unconsolidated), from the Pleistocene to Holocene, less than 2.6 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 16×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Unconsolidated. Age: Pleistocene to Holocene, less than 2.6 million years old. About 10 mi of the line.
Granitic, syenitic. Age: Eocene to Pliocene, 2.6 to 56 million years old. About 4 mi of the line.
Unconsolidated. Age: Pleistocene to Holocene, less than 0.1 million years old. About 4 mi of the line.
Shale, limestone, mixed-clastic. Age: Carboniferous, 299 to 324 million years old. About 0.3 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.
