Andesite flow and flow breccia member. Orange County, California. n. d.
Summary
Album caption:Andesite flow and flow breccia member, gravel pit approximately one mile east-northeast of El Modeno. Large vesicular andesite block with radial and concentric cooling cracks in flow breccia. Pick handle about 12 inches in length. Orange County, California. n. d. Published as figure 62 in U.S. Geological Survey. Professional paper 274-L. 1957.
Summary
Album caption:Andesite flow and flow breccia member, gravel pit approximately one mile east-northeast of El Modeno. Large vesicular andesite block with radial and
concentric cooling cracks in flow breccia. Pick handle about 12 inches in length. Orange County, California. n. d.
Published as figure 62 in U.S. Geological Survey. Professional paper 274-L. 1957.
Available in the U.S. Geological Survey Denver Library Photographic Collection, Yerkes, R.F. Collection.
Rights
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