A silica tetrahedron is composed of

Sedimentary rocks that originated as deposits near the center of a large lake should have

Maximum compaction can be achieved with:

In the following figure, the magnetic anomaly pattern is mirrored on either side of the central ridge. What is responsible for this pattern?Click to view larger image.

The following four figures show several different tectonic settings where volcanism is active. Which of the following images shows a tectonic environment where magmas were produced by flux-melting?Click to view larger image.

The most important factor in the deposition of evaporite minerals in a marine basin is

A thin, horizontal layer of intrusive igneous rock lying between two beds of sedimentary rock would be classified as a

According to the theory of isostasy, the crust:

Cleavage is the tendency of a mineral to break in a predictable manner when subjected to a force. The image below shows a calcite fragment. Which statement about calcite’s cleavage is TRUE? Click to view larger image.

Ore minerals of iron include