Bedrock geology is a vast subject. Of greatest interest to naturalists are ways in which underlying rock types, alignments, fracture patterns, and variable resistance to erosion explain the shape of the land and the distribution of natural communities.

Here are some of the common bedrock types of Southeast Alaska.

Bedrock Geology

In this section

Bedrock geology ArcGIS Online

Bedrock geology for Áak’w & T’aakú Aaní. Units based upon a shapefile by USGS, but color coded by 6 broad…

2015 | Richard Carstensen |

Natural history of Juneau trails: A watershed approach

Guide to natural and cultural history of the CBJ, summarizing Discovery’s longterm study on contract with Parks & Recreation that…

2013 | Richard Carstensen | 72 pages

Reading Southeast Alaska’s landscape

How bedrock, foundations, glaciers, rivers and sea shape the land How bedrock influences the shape of mountains and coastal landforms.…

2013 | Cathy Connor|Richard Carstensen | 28 pages

2011 spring newsletter, Geology and life: Connections between the living and non-living world

Feature article on response of flora and fauna to geologic landforms and bedrock types. †Includes article by Scott Burton on…

Spring 2011 | Richard Carstensen | 12 pages