Tuscan Formation - John Seach
California, USA

40.12 N, 121.87 W
summit elevation ?
Polygenetic Lahar Field

The formation consists of lahar deposits derived from stratovolcanoes at the southern end of the Cascade Range.

Volcanic Features of Tuscan Formation
Tehama Formation, Sifford Ring, Inskip Hill

Eruptions of Tuscan Formation
2 million years ago
 

Tuscan Formation
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