What Created This ‘Melted Limestone’ Beside the Pyramids of Giza?

‘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.’
Read more: What Created This ‘Melted Limestone’ Beside the Pyramids of Giza?