George Thurland Prior FRS (16 December 1862 – 8 March 1936) was a British mineralogist. He made great contributions to mineralogical chemistry, petrology and meteoritics.
He was born in Oxford, England, and arrended Magdalen College there in 1881. He received a first class in the Honour School in Chemistry in 1885 and Physics in 1886. Later he went to study in Germany. He obtained his Doctor of Science degree from Oxford University in 1905.
He entered the British Museum in 1887, where he was Keeper of Minerals from 1909 to 1927. He was elected a Fellow of the Royal Society in 1912.
- Prior, George Thurland (1912). "The meteoric stones of El Nakhla El Baharia (Egypt)". Mineralogical Magazine 16: 274–281.
- Prior, George Thurland (1916). "On the genetic relationship and classification of meteorites". Mineralogical Magazine 18: 26–44.
- Prior, George Thurland (1920). "The classification of meteorites". Mineralogical Magazine 19: 51–63.
- Prior, George Thurland (1922). The student's index to the collection of minerals. London: Trustees of the British Museum. p. 33.
- Prior, George Thurland (1923). Catalogue of meteorites : with special reference to those represented in the collection of the British Museum (Natural History). Trustees of the British Museum. p. 196.
- Prior, George Thurland (1926). A guide to the collection of meteorites. p. 43.