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We were to see a lot of these structures. Paging @RooFlyer to the white courtesy phone for an explanation - in words of one syllable…
You remember seeing similar things in the rocks on the beach near my place? At a guess, iron was introduced in solution by groundwater when the rocks were buried and the iron then fixed on particular horizons in a combination of chemical and electrical reactions. Eh, pH blah blah.
Similar to a previous quandary of yours ..
A high and dry, wild and wet, majestic history medley – RTW 2018
I'm up for that, but with my new abstemious diet and drinking habits I might be a bit on the outer, munching on my green leaves and sipping lime juice :eek:. :rolleyes: If we go down to Patagonia, we can both be on home turf - you in the nation, me amongst the fa_as of Gondwanaland. Lets skip...
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