C
clutch
Guest
Hi all,
found this in a 14 yr old lava tube, any thoughts as to what it is?
Thanks!
found this in a 14 yr old lava tube, any thoughts as to what it is?
Thanks!
southpembscaver said:Hard to tell without a closer look but it looks like a type of mica, don't know why it would have formed in isolation - perhaps all of the other crystals were washed out when the tube was still active. Also it would have had to cool very slowly to grow to this size meaning that the tube must have been active for a fair length of time.
southpembscaver said:Hard to tell without a closer look but it looks like a type of mica,
clutch said:Are these types of deposit common in lava tubes?