Archive
NPN has moved to naturephotographers.networkYou’re viewing the read-only archive of the original site (2000–2018). The community is active today, with new critiques and discussions every day.
Visit NPN today →
Nature Photographers Network
Monument Rocks
Mark Miller’s Portfolio

Monument Rocks

by Mark Miller

Category: Earth, Sea & SkyAdded October 23, 2009392 views

Grasslands

Keywords: geology, formation, erosion, Cretaceous Period, national natural landmark, prairie, grassland, Kansas, historical, monument, window, keyhole, arch, chalk, limestone, sedimentary, plains

The late afternoon light illumnates the keyhole window in the chalk formations at Monument Rocks, Kansas. Wind and water erosion have carved these formations from the Niobrara Chalk, the floor of a vast inland sea present during the Cretaceous Period.
Image Reference: GS-KS112Image Format: 35mm slideImage Crop: Full FrameDigital Enhancement: NoneModel Release: NAProperty Release: NACaptive: NA