The Satan’s Marbles, also referred to as Karlu Karlu, are made up of granite, that is an igneous rock shaped by the gradual cooling and solidification of magma or lava deep beneath the earth’s surface.Morning spinifex at Karlu Karlu. #images #landscapephotography #spinifex #outbackaustralia #karlukarlu #devilsmarbles #northernterritory #travelp