![Geologists link volcanic ash from Cretaceous time with Shale oil and gas](https://cdn.energydais.com/media/images/news/file-20171128-28852-1sf5x3h.jpg)
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A new study by the geologists of Rice University reveals that ash rich in nutrients from a massive outburst of volcanic eruptions towards the culmination of the ‘dinosaur era’ had started a series of events that led to the formation of shale gas and oil fields all the way from Texas to Montana. Studies have often indicated a link between volcanic eruptions and unconventional shale hydrocarbons.