parent material

The colluvium and alluvium problem: Historical review and current state of definitions

Miller, B.A. and J. Juilleret. The colluvium and alluvium problem: Historical review and current state of definitions. Earth-Science Reviews 209: 103316. doi: 10.1016/j.earscirev.2020.103316. Read More

25 August 2022

Surficial Geology of Wisconsin

This raster is a highly detailed map of geologic materials at the surface (delineations made from maps at 1:24,000 to 1:12,000 scale). The smaller extent… Read More

31 May 2020

Surficial Geology of Michigan

This raster is a highly detailed map of geologic materials at the surface (delineations made from maps at 1:24,000 to 1:12,000 scale). The smaller extent… Read More

31 May 2020

Surficial Geology of South Dakota

This raster is a highly detailed map of geologic materials at the surface (delineations made from maps at 1:24,000 to 1:12,000 scale). The smaller extent… Read More

31 May 2020

Surficial Geology of Minnesota

This raster is a highly detailed map of geologic materials at the surface (delineations made from maps at 1:24,000 to 1:12,000 scale). The smaller extent… Read More

31 May 2020

Defining Colluvium and Alluvium (2016 EGU General Assembly)

You can still take the survey to voice your perspective on the definitions of colluvium and alluvium! TAKE THE SURVEY… Read More

5 May 2016

What is Colluvium? An Interactive Poster Seeking a Common Definition to Improve International Communication (2015 SSSA Conference)

UPDATE: This poster was a test run for a survey asking the audience for their perspectives on how to differentiate colluvium and alluvium. That has… Read More

13 September 2015