The Glen Acres 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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Glen Acres’s center stands about 4,190 ft above sea level. Within three miles the land runs from 4,180 ft to 4,370 ft, a difference of 190 ft: gently rolling country. The highest named summit within 15 miles is Hornbrook Mountain, about 7,020 ft, 13 miles east-northeast.
Under the town center the state geologic map shows Lacustrine and playa-lake deposits (unconsolidated), from the Holocene, less than 12,000 years old.
The section below crosses 8 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 11×. 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 7 mi of the line.
Unconsolidated. Age: Holocene, less than 12,000 years old. About 6 mi of the line.
Conglomerate-sandstone, volcanic. Age: Late Oligocene to Pleistocene, 0.1 to 28 million years old. About 4 mi of the line.
Unconsolidated. Age: Pleistocene to Holocene, less than 0.1 million years old. About 2 mi of the line.
Pelitic-schist, muscovite-schist, quartzite. Age: Paleoproterozoic, 1.6 to 2.5 billion years old. About 2 mi of the line.
Andesite, latite. Age: Middle Eocene to Early Oligocene, 33 to 43 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. 2 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.
