The Elberton 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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3.25 inches of rain fell in two days, the most for this week of the year since records began in 1891. The next wettest, 2.81 inches, fell in 1976.
Elberton’s center stands about 700 ft above sea level. Within three miles the land runs from 500 ft to 720 ft, a difference of 220 ft: rolling country.
Under the town center the state geologic map shows Granite/ gneissic biotite granite, from the Precambrian to Paleozoic.
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 48×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Granite. Age: Precambrian to Paleozoic. About 8 mi of the line.
Schist, gneiss, amphibolite. Age: Precambrian to Paleozoic. About 6 mi of the line.
Amphibolite, biotite-gneiss, mica-schist. Age: Precambrian to Paleozoic. About 5 mi of the line.
Schist, gneiss. Age: Precambrian to Paleozoic. About 2 mi of the line.
Age: Precambrian to Paleozoic. About 1 mi of the line.
Granite. Age: Precambrian to Paleozoic. About 0.7 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 Elberton reaches the Atlantic Ocean by way of Falling Creek, the Broad and the Savannah: about 280 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Elberton; river miles along the main stem, rounded.
Elberton has a humid subtropical climate. Summer afternoons average 89° in July; winter nights fall to about 30° in January. About 49 inches of rain fall in a normal year.
On November 14 Elberton normally reaches 64° and falls to 37°. The record high is 79°, in 1964; the record low 18°, in 1963. The most rain on this date, 1.90 in, fell in 1972.
Normals 1991–2020 and records since 1891 at Elberton 2 N, 2 miles north-northeast, 160 ft lower. NOAA, through RCC-ACIS.
