CARBON STORAGE AND LATE HOLOCENE CHRONOSTRATIGRAPHY OF A MISSISSIPPI RIVER DELTAIC MARSH, ST. BERNARD PARISH, LOUISIANA

US GEOLOGICAL SURVEY OPEN-FILE REPORT 98-36

FIGURE 12. Diagnostic phytoliths and other siliceous microfossils present in core SB1c, St. Bernard Parish, LA. A. Dumbbell, produced by various grasses; B. Biserial spinose rod; C. Non-spinose rod; D. In situ dumbbell phytoliths in a modern sugarcane fragment; E. Cyperaceae (type); F. Cyperaceae (type), brownish coloration does not show but is probably due to burning from fire; G. centric and pennate diatoms.