Introductory igneous rock sample set

Here are 20 samples of igneous rock and pyroclastic materials that you will use to answer lab questions. Examine each sample in detail by zooming in and exploring its composition and texture.

Sample A:

Sample B:

Sample C:

Sample D:

Sample E:

Sample F:

Sample G:

Sample H:

Sample set I:
…Sample I-A:

…Sample I-B:
< Sample J:

Sample K:

Sample set L:
…Sample L1:

…Sample L2:

Sample M:

Sample N:

Sample O:

Sample P:

Sample Q:

Sample R:

Sample S: