A partir de las obras de J.R.R. TOLKIEN -"El hobbit", "El señor de los Anillos" y sobre todo "El Silmarillion" (¡no "he podido" con él!)- se han intentado establecer mapas geológicos -https://koprolitos.blogspot.com/2012/07/la-geologia-de-la-tierra-media.html///https://fossilsandshit.wordpress.com/2012/01/13/middle-earth-gets-a-geological-makeover/- de la Tierra Media.
1967: Margaret HOWES,"The Elder Ages and Later Glaciations off the Pleistocene Epoch".
1974: Robert REYNOLDS, "The geomorphology of Middle-Earth".
1992: William SARJEANT, "The Geology of Middle-earth".1999: B.D. HILTON, "The Geologic History of Middle Earth".https://i.redd.it/wfmlykzbpcu51.jpg
