Here's a challenge, people -- let's see your #tholeiitic offerings!

The late shield-building Kamaileʻunu Member of the #Waiʻanae #Volcanics include #tholeiitic, #calc-alkaline, #alkaline, and transitional lavas. These are a few examples of #ankaramite, the alkaline equivalent of a #picrite.

#volcano #volcanology #hawaii #oahu