Both the excentricity and axial tilt can influence the length and severity of winters and to the best of my knowledge, we cannot вЂ“ with the information available вЂ“ distinguish them. The planetвЂ™s orbit is evidently longer than that of EarthвЂ™s (lasting a few decades rather than a year, inferring again from the length of winters), with variable excentricity (inferred from the described severity of some winters, although these may be also attributed to solar activity, atmospheric composition potentially influenced by volcanic eruptions and other вЂњcatastrophicвЂќ events) and axial tilt. Hence, astronomic forcing must be considered. It is also mentioned that winters are dark, hence these are actual seasons, not just cold climatic events or excursions, they are distinct from glacials. assuming shorter human life-spans in the middle ages, we can infer 40-50 years). Winters in human records of Westeros have lasted for very variable periods вЂ“ from a couple of years to a human lifetime (i.e. Much of the conclusions are driven from assumptions based on climate, but as some hints from the stories suggest, climate patterns are much different from those on Earth. There is only one shortcoming in the overall theory. I have always been wondering about the source and origin of the hot springs in Winterfell. This is a brilliant and comprehensive analysis of the geology of Westeros and I highly appreciate it. Many details regarding the history of Westeros and the various rock types found on the continent can be found at вЂњA wiki of ice and fire.вЂќ Post navigation Without these detailed and artfully drawn maps, little of this project would have been possible. Certain artistic details (such as mountain ranges) have been copied and adapted to suit the needs of the geological reconstructions. Martin.ДЄll of the maps created for this project are based on maps created by Jonathan Roberts, Tear, and TheMountainGoat. Game of Thrones is copyrighted by George R.R.

Additional scientific details were provided by Hari Mix. The geologic history of Westeros was written by Miles Traer with the help of Mike Osborne. The geologic map of Westeros was created by Miles Traer. (300 Mya) Diving the tropical reefs of Winterfell (80-100 Mya) As the Moon rose, so did the Lannisters

(60-80 Mya) The rise of the Black Mountains (25 Mya) The Earth split Westeros from Essos (today) The size of the Game of Thrones planet Geologic events occurring XX million years ago (Mya) on Westeros: To explore the history, and to view our maps of the geologic reconstructions, click the numbered icons on the map, or on the links below. Using only limited data we were able to reimagine 500 million years of planetary evolution, including volcanoes, continents rising from the oceans, and ice ages (with guest appearance by white walkers and dragons). We pieced this geologic history together from character observations, town names, official Game of Thrones maps, and the principles of geology learned here on Earth.

But this is also the geological history of Westeros, reaching far deeper through the annals of time than the reign of any of the Seven Kingdoms.

This is Westeros as it exists in the days of tumult, in the days following the death of King Robert Baratheon, in the shortening days that warn that winter is coming.

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