Basalt Phase Maps. Click on any map to open the Rock Library chemical map page for the sample (the hand sample will be visible first). Use the sidebar on the page you open to navigate through the images and maps.

S-36 Phase Map

baspm_001. Columbia River Basalt. Ilmenite (maroon), olivine (green), augite (red), mesostasis (blue), plagioclase (yellow). Smith College collection (S-36).



HI-99-12b Phase Map

baspm_002. Olivine basalt from Mauna Loa, Hawaii. Ilmenite (brown), olivine (green), augite (red), glass (blue), plagioclase (yellow). Smith College collection (HI-99-12b).