Autochthonous is the adjective and autochthon is the noun. From auto + the Greek chthon, the earth, soil = sprung from the earth or the soil itself.
See also: Chthon
M. J. Spierenburg, Strangers, Spirits and Land Reforms: conflicts about land in Dande, northern Zimbabwe.(Book review)
Jun 22, 2007; M. J. SPIERENBURG, Strangers, Spirits and Land Reforms: conflicts about land in Dande, northern Zimbabwe. Leiden: Brill (pb 978...
U-Pb Detrital Zircon Ages in Synorogenic Deposits of the NW Iberian Massif (Variscan Belt): Interplay of Devonian-Carboniferous Sedimentation and Thrust Tectonics
May 01, 2008; Abstract: Detrital zircons from Devonian and Carboniferous synorogenic flysch deposits occurring in an imbricate stack have been...