Category:Large quartz-laumontite amygdule in quartz tholeiite basalt lava flow (Two Harbors Basalts, Mesoproterozoic; Two Harbors, Minnesota)
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Media in category "Large quartz-laumontite amygdule in quartz tholeiite basalt lava flow (Two Harbors Basalts, Mesoproterozoic; Two Harbors, Minnesota)"
The following 10 files are in this category, out of 10 total.