Research2.0 mi
Halawa Quarry and Mill
Mineral resource occurrence
USGS ResearchHAWAII LOCAL FIELD REGION
Oʻahu Volcanic Geology Rockhounding Guide
Basalt, tuff and eroded volcanic landforms across Oʻahu, much of it urban or protected.
LOCAL INTERACTIVE MAP
Oʻahu Volcanic Geology local map
Explore nearby Hawaii records without leaving this hub. Status, coordinate precision and access evidence determine whether a pin is a realistic field destination.
Map
Land intelligence
Precision
This hub map shows nearby records only.Land and claim layers are planning aids, not collecting permission.
Reference photograph used for rock and mineral identification. It is not from this exact location or a guarantee that collecting is permitted.
Mapped leads in Oʻahu Volcanic Geology
The records below may represent collecting sites, managed programs, protected resources or research-only geology. Their individual status is more important than proximity.
Research7.0 mi
Kapah Quarry and Mill
Mineral resource occurrence
USGS ResearchResearch8.9 mi
Ewa Pit
Mineral resource occurrence
USGS ResearchResearch11.8 mi
Waimanalo Quarry and Mill
Mineral resource occurrence
USGS ResearchResearch13.8 mi
Makakilo Quarry and Mill
Mineral resource occurrence
USGS ResearchResearch15.5 mi
Barbers Point Limestone Pit
Mineral resource occurrence
USGS ResearchResearch15.8 mi
Barbers Point Mill
Mineral resource occurrence
USGS ResearchResearch15.9 mi
Cyprus Hawaiian Cement Corp.
Mineral resource occurrence
USGS ResearchResearch17.2 mi
Waianea Quarry
Mineral resource occurrence
USGS ResearchResearch18.3 mi
Laie Quarry
Mineral resource occurrence
USGS ResearchResearch20.8 mi
Waianae Cement Plant
Mineral resource occurrence
USGS ResearchResearch21.2 mi
Waialua Sand Pits
Mineral resource occurrence
USGS ResearchResearch41.9 mi
Pahopaku Sand Pit
Mineral resource occurrence
USGS ResearchResearch43.8 mi
Unnamed Cinder Pit
Mineral resource occurrence
USGS Research