The Patten 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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Patten’s center stands about 600 ft above sea level. Within three miles the land runs from 490 ft to 960 ft, a difference of 470 ft: hilly country. The highest named summit within 15 miles is Mount Chase, about 2,430 ft, 8 miles north.
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 15×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Slate, sandstone. Age: Silurian, 422 to 445 million years old. About 14 mi of the line.
Quartzite, calc-silicate-rock. Age: Silurian to Devonian, 359 to 445 million years old. About 3 mi of the line.
Quartz-diorite. Age: Ordovician, 445 to 487 million years old. About 2 mi of the line.
Sandstone, mudstone. Age: Early Cambrian, 521 to 542 million years old. About 1 mi of the line.
Conglomerate. Age: Silurian, 422 to 445 million years old. About 1 mi of the line.
Mudstone, sandstone. Age: Ordovician to Silurian, 422 to 487 million years old. About 0.8 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.
A raindrop that lands in Patten reaches the Atlantic Ocean by way of Weeks Brook, the Fish Stream, the West Branch Mattawamkeag, the Mattawamkeag and the Penobscot: about 180 river miles.
Lake on the way: Upper Mattawamkeag Lake.
85 miles of the trip are on the Penobscot.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Patten; river miles along the main stem, rounded.
