Amboy Volcanic Cone

Amboy Volcanic Cone California


Stock #: 675658
Type: Postcard
Era: Chrome
City: Amboy
State: California (CA)
County: San Bernardino
Publisher: Columbia
Size: 3.5" x 5.5" (9 x 14 cm)
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One of the youngest cones in the Southwest, estimated age, less than 1,000 years. One of 13 in a chain extending from Amboy, California to Pisgah Cone, 9 miles west of Ludlow, California. The volcanic ash which has accumulated in windrows is of considerable value. It is crushed into granules and used in the manufacture of pumice building block. It is a fine insulator, extremely dense and impervious to water.