March 14, 2019 admin 1

Gravel /ˈɡrævəl/ is a loose aggregation of rock fragments. Gravel is classified by particle size range and includes size classes from granule- to boulder-sized fragments. […]

Translational Landslide

December 20, 2018 admin 2

The mass in a translational landslide moves out, or down and outward, along a relatively planar surface with little rotational movement or backward tilting. This […]

Rockfall Debris

December 16, 2018 admin 0

A characteristic problem of steep roadcuts in glacial tills is their tendency to shed blocky debris during storms or rapid thaw cycles, as shown here. […]

Joints and Faults

December 3, 2018 admin 1

The most common type of geological structure found in rocks is joints. (Jaeger, Cook, & Zimmerman, 2007) provide a simple yet detailed explanation of Joints […]


December 2, 2018 admin 0

Figure 1 – Migmatite Under highgrade metamorphism, light-colored (felsic) minerals in a gneiss may begin to melt, while the darkcolored (mafic) minerals remain solid. If […]


November 27, 2018 admin 3

Limestone is a sedimentary rock, composed mainly of skeletal fragments of marine organisms such as coral, forams and molluscs. Its major materials are the minerals […]