The Cross Anchor 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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15° on Nov. 15, 1969, the coldest reading for this week of the year since 1949. Next is 19° in 2013.
Cross Anchor’s center stands about 680 ft above sea level. Within three miles the land runs from 480 ft to 710 ft, a difference of 230 ft: rolling country. The highest named summit within 15 miles is Little Knob, about 940 ft, 13 miles west-southwest.
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 7 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 49×. 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 12 mi of the line.
Metagranite, metadiorite. Age: Neoproterozoic to Cambrian, 487 to 1,000 million years old. About 4 mi of the line.
Metadiorite. Age: Neoproterozoic to Ordovician, 445 to 1,000 million years old. About 3 mi of the line.
Metagranite. Age: Devonian, 359 to 422 million years old. About 2 mi of the line.
Biotite-gneiss. Age: Precambrian to Paleozoic. About 2 mi of the line.
Biotite-gneiss. Age: Undetermined. 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. 1 smaller unit 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 Cross Anchor reaches the Atlantic Ocean by way of Cedar Shoals Creek, the Enoree, the Broad, the Congaree, the Santee and the South Santee: about 270 river miles.
Lake on the way: Lib Pines Lake.
70 miles of the trip are on the Santee.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Cross Anchor; river miles along the main stem, rounded.
Cross Anchor has a humid subtropical climate. Summer afternoons average 90° in July; winter nights fall to about 29° in January. About 45 inches of rain fall in a normal year, with about 2 inches of snow.
On November 14 Cross Anchor normally reaches 64° and falls to 37°. The record high is 82°, in 1964; the record low 19°, in 2013. The most rain on this date, 1.16 in, fell in 1972.
Normals 1991–2020 and records since 1949 at Union 8 S, 11 miles east-southeast, 230 ft lower. NOAA, through RCC-ACIS.
