The Startex 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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3.05 inches of rain fell in two days, the most for this week of the year since records began in 1884. The next wettest, 3.02 inches, fell in 1889.
Startex’s center stands about 780 ft above sea level. Within three miles the land runs from 710 ft to 920 ft, a difference of 210 ft: rolling country. The highest named summit within 15 miles is Roper Mountain, about 1,220 ft, 13 miles west-southwest.
Under the town center the state geologic map shows Biotite gneiss and muscovite-biotite gneiss (biotite-gneiss), from the Neoproterozoic to Cambrian, 487 to 1,000 million years old.
The section below crosses 6 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 40×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Biotite-gneiss. Age: Neoproterozoic to Cambrian, 487 to 1,000 million years old. About 10 mi of the line.
Gneiss. Age: Paleozoic, 252 to 542 million years old. About 5 mi of the line.
Mica-schist. Age: Neoproterozoic to Cambrian, 487 to 1,000 million years old. About 4 mi of the line.
Biotite-gneiss. Age: Neoproterozoic to Cambrian, 487 to 1,000 million years old. About 2 mi of the line.
Gneiss. Age: Ordovician, 445 to 487 million years old. About 2 mi of the line.
Amphibolite. Age: Neoproterozoic to Cambrian, 487 to 1,000 million years old. About 0.6 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 Startex reaches the Atlantic Ocean by way of the Middle Tyger, the North Tyger, the Tyger, the Broad, the Congaree, the Santee and the South Santee: about 290 river miles.
Lake on the way: Lib Pines Lake.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Startex; river miles along the main stem, rounded.
Startex has a humid subtropical climate. Summer afternoons average 90° in July; winter nights fall to about 32° in January. About 50 inches of rain fall in a normal year, with about 4 inches of snow.
On November 14 Startex normally reaches 63° and falls to 41°. The record high is 79°, in 2007; the record low 20°, in 1906. The most rain on this date, 1.31 in, fell in 2024.
Normals 1991–2020 and records since 1884 from the Greenville-Spartanburg Area threaded record (Grnvl Spart International Airport, 7 miles west-southwest, 190 ft higher). NOAA, through RCC-ACIS.
