The Marvel 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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71° on Nov. 14, 1999, the hottest reading for this week of the year since 1898. Next is 70° in 1899.
Marvel’s center stands about 6,730 ft above sea level. Within three miles the land runs from 6,410 ft to 7,000 ft, a difference of 590 ft: hilly country. The highest named summit within 15 miles is La Monte Peak, about 8,440 ft, 14 miles north-northwest.
Under the town center the state geologic map shows Gravels and alluviums (gravel, unconsolidated), from the Pleistocene, less than 0.5 million 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 8×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Sandstone, shale. Age: Late Cretaceous, 66 to 100 million years old. About 6 mi of the line.
Gravel, unconsolidated. Age: Pleistocene, less than 0.5 million years old. About 6 mi of the line.
Sandstone. Age: Late Cretaceous, 66 to 100 million years old. About 5 mi of the line.
Sandstone, shale, conglomerate. Age: Paleocene, 56 to 66 million years old. About 3 mi of the line.
Sandstone, shale. Age: Late Cretaceous, 66 to 100 million years old. About 2 mi of the line.
Sandstone, shale. Age: Late Cretaceous, 72 to 84 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.
A raindrop that lands in Marvel reaches the Gulf of California by way of the La Plata, the San Juan and the Colorado: about 1,140 river miles.
Lakes on the way: Lake Mead, Lake Powell, Lake Mohave and Lake Havasu.
290 miles of the trip are on the Colorado.
Seldom reaches the sea. Dams and canals now take nearly all of the Colorado before its old delta in Mexico.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Marvel; river miles along the main stem, rounded.
Marvel has a warm-summer humid continental climate. Summer afternoons average 85° in July; winter nights fall to about 12° in January. A normal year brings about 57 inches of snow; with the rain, that comes to about 16 inches of water.
On November 14 Marvel normally reaches 52° and falls to 22°. The record high is 71°, in 1999; the record low 2°, in 1916. The most rain on this date, 0.59 in, fell in 1910.
Normals 1991–2020 and records since 1898 at Mancos 1 SW, 19 miles northwest, 170 ft higher. NOAA, through RCC-ACIS.
