Everyone loves a good pyramid anomaly, and geologist Robert Schoch (best known for his involvement in the 'redating the Great Sphinx' controversy) has posted an interesting curiosity on his Facebook page. During a tour group visit to the Giza plateau, Dr Schoch took some time to look at a strange patch of limestone not far from the pyramids, which appears to have been 'melted' by some strong heat source. Schoch's interest - beyond pure curiosity - comes from his research into possible 'plasma events' in the ancient past, as discussed in his book Forgotten Civilisation: The Role of Solar Outbursts in Our Past and Future (he touches on the topic in this essay on his website as well). In response to a commenter asking about the temperature needed to melt the rock, Schoch noted that it would require... ...around 1000 degrees C, depending on the specific composition and structure. A major plasma strike, lightning-like, could I believe cause what I saw -- but it still needs more study (I did