Composition of California Shellmounds
Composition of California Shellmounds
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Then come the mounds located at Half Moon, Humboldt, and San Diego bays.
The species of shells from the Point Loma mound are entirely foreign to the San Francisco Bay and Humboldt Bay mounds. For that reason the shell of the single Point Loma sample has not been separated specifically, being of no use for comparison.
The records of the analyses are stated in terms of weight and not of volume.
SHELLMOUND CONSTITUENTS The seven main constituents into which each sample of shellmound material was s...eparated were fish remains (bones and scales), other vertebrate remains (chiefly bones), shell (almost entirely molluscan, but including also barnacles, crab shell, and sea-urchin), charcoal, ash, rock, and residue (earth, sand, charcoal dust, etc. ). Of these con- stituents, shell is the most abundant, the average mound containing over fifty-two per cent by weight. Then follow residue with nearly twenty-eight per cent, ash with over twelve per cent, rock with over seven per cent, and charcoal, fish remains, and other vertebrate remains with less than one per cent combined.
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You can find similar books in the "Read Also" column, or choose other free books by Edward Winslow Gifford to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Then come the mounds located at Half Moon, Humboldt, and San Diego bays.
The species of shells from the Point Loma mound are entirely foreign to the San Francisco Bay and Humboldt Bay mounds. For that reason the shell of the single Point Loma sample has not been separated specifically, being of no use for comparison.
The records of the analyses are stated in terms of weight and not of volume.
SHELLMOUND CONSTITUENTS The seven main constituents into which each sample of shellmound material was s...eparated were fish remains (bones and scales), other vertebrate remains (chiefly bones), shell (almost entirely molluscan, but including also barnacles, crab shell, and sea-urchin), charcoal, ash, rock, and residue (earth, sand, charcoal dust, etc. ). Of these con- stituents, shell is the most abundant, the average mound containing over fifty-two per cent by weight. Then follow residue with nearly twenty-eight per cent, ash with over twelve per cent, rock with over seven per cent, and charcoal, fish remains, and other vertebrate remains with less than one per cent combined.
What to read after Composition of California Shellmounds?
You can find similar books in the "Read Also" column, or choose other free books by Edward Winslow Gifford to read onlineMoreLess
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