At https://phys.org/news/2020-02-ghostly-massive-ancient-river-revealed.html … which relates to an article in the journal Geology (https://doi.org/10.1130/G45915.1 ) and concerns traces of a massive river and delta that existed when Gondwana dominated the southern hemisphere. Gondwana included as one continent Antarctica, India, Australia, New Guinea etc. Geologists think the vegetation associated with this river, and in particular the delta region, may lead them to oil resources.
