The Belvidere 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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Belvidere’s center stands about 2,240 ft above sea level. Within three miles the land runs from 820 ft to 3,100 ft, a difference of 2,280 ft: mountain country. The highest named summit within 15 miles is Jay Peak, about 3,810 ft, 13 miles northeast.
Under the town center the state geologic map shows Hazens Notch Formation - undivided (muscovite-schist, gneiss, quartzite), from the Neoproterozoic to Early Cambrian, 521 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 7×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Muscovite-schist, gneiss, quartzite. Age: Neoproterozoic to Early Cambrian, 521 to 1,000 million years old. About 8 mi of the line.
Phyllite. Age: Cambrian, 487 to 542 million years old. About 7 mi of the line.
Muscovite-schist, phyllite. Age: Neoproterozoic to Cambrian, 487 to 1,000 million years old. About 4 mi of the line.
Phyllite, muscovite-schist, quartzite. Age: Neoproterozoic to Cambrian, 487 to 1,000 million years old. About 3 mi of the line.
Muscovite-schist. Age: Neoproterozoic to Early Cambrian, 521 to 1,000 million years old. About 2 mi of the line.
Phyllite. Age: Middle Ordovician, 459 to 471 million years old. 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.
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 Belvidere reaches the St. Lawrence River by way of Rattling Brook, the North Branch Lamoille, the Lamoille and the Richelieu: about 170 river miles. The St. Lawrence carries it on to the Atlantic.
Lake on the way: Lake Champlain.
80 miles of the trip are on the Richelieu.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Belvidere; river miles along the main stem, rounded.
