. Bulletin of the United States Geological Survey--The Santa Clara Valley, Puente Hills and Los Angeles Oil Districts. extends eastward between theWaters of Tar and Little Sespe creeks. Throughout the formation theMaterials, whether fine or in the form of pebbles, are chiefly coloring of the beds is in the main due to iron, but the pink feld-par adds to the effect. a Waits, W. L., Bull. California State Mining Bureau, No. 11, 1897, pp. 25-2f>. 8 OIL DISTRICTS OF SOUTHERN CALIFORNIA. LOWER ZONE. Fig. 2 is a section of the lower 400 feet, which forms a persistentdivisional zone b
. Bulletin of the United States Geological Survey--The Santa Clara Valley, Puente Hills and Los Angeles Oil Districts. extends eastward between theWaters of Tar and Little Sespe creeks. Throughout the formation theMaterials, whether fine or in the form of pebbles, are chiefly coloring of the beds is in the main due to iron, but the pink feld-par adds to the effect. a Waits, W. L., Bull. California State Mining Bureau, No. 11, 1897, pp. 25-2f>. 8 OIL DISTRICTS OF SOUTHERN CALIFORNIA. LOWER ZONE. Fig. 2 is a section of the lower 400 feet, which forms a persistentdivisional zone between the Topatopa formation and the main massof red beds. This part of the formation occurs at the mouth of a smalltributary entering Sespe Creek from the slopes of Sulphur Peak at apoint about a mile above the mouth of Tar Creek. It reappears 2 or3 miles lower down Sespe Creek, in the heart of the Cold water anti-cline. The distinguishing features of this zone are the whiteness ofits sandstones, in contrast with the measures both above and below,and the delicate green and pink tints which pervade its clays and.
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