Pinnacle (geology)

Rock towers at  Adrspašské rocks

A pinnacle, tower, spire, needle or natural tower (German: Felsnadel, Felsturm or Felszinne) in geology is an individual column of rock, isolated from other rocks or groups of rocks, in the shape of a vertical shaft or spire. is a natural geomorphological shape and a structural denudation shape of the relief. It is about an isolated, tall and often also slender column or prism, reminiscent of a tower in its shape. A specific type of rock tower is the rock needle.[1]

  1. ^ Základy geomorfologie: vybrané tvary reliéfů. Univerzita Palackého. pp. 57–58. ISBN 978-80-244-1749-3.