Outcrops of basalt are common. Elevation ranges from sea level to 1,200 feet. The soils formed in volcanic ash over cinders and Aa lava. Annual rainfall is 80 to 150 inches. Honomanu soils have an O horizon and B horizons that are strongly smeary.
Malama soils are very thin organic soils over fragmental Aa lava.
These soils are used for pasture. This series is intensive, with a total of approximately 8,000 acres. Maui County, Hawaii, 1971.