Basis for focus area |
Bauxite areas on the islands of Kauai and Maui as outlined by Patterson (1971) on maps showing the distribution of ferruginous bauxite (figures 10 and 13 in Patterson, 1971). |
Identified resources |
Identified resources for aluminum (bauxite). |
Production |
None recorded. |
Status |
Past evaluation of resources. |
Estimated resources |
Kauai (in 1971): estimated to be 110 million tons ferruginous bauxite containing an average of 25.9% Al2O3, 4.7% SiO2, 39.4% Fe2O3 and 6.7% TiO2. |
Geologic maps |
Patterson (1971), scale 1:24,000. |
Geophysical data |
Inadequate aeromagnetic and aeroradiometric coverage. |
Favorable rocks and structures |
Honolua Volcanic Series (West Maui); Kula Volcanic Series (East Maui). |
Deposits |
None. |
Evidence from mineral occurrences |
Unknown. |
Geochemical evidence |
Unknown. |
Geophysical evidence |
No data. |
Evidence from other sources |
Unknown. |
Cover thickness and description |
Exposed. |
Authors |
Jane M. Hammarstrom. |
New data needs |
None requested at this time. |
Geologic mapping and modeling needs |
None requested at this time. |
Geophysical survey and modeling needs |
None requested at this time. |
Digital elevation data needs |
Lidar inadequate. |