Browse Items (155 total)

(DSM #SD8) Geodes are crystals that form to fill a void. The outer portion of the stone is usually non-descript and plain but the crystals show themselves when the rock is hit with a hammer.

(DSM #SD7) Dendrites are iron or manganese oxide mineral growths that occur in a rock after deposition.

(DSM #SD11 and #SD12) Concretions come in all sizes and are very often mistaken for fossils because of their intricate and strange shapes. They form when a grain of sediment or organism acts as a nucleus for minerals to precipitate and grow. Some…

(unnumbered) Plant fossils can be extremely useful in studies to determine past climates. They can also be used to better understand the relationships between plants and insects.

(DSM# 10769) Mississippi is home to the largest deposits of petrified wood east of the Mississippi.

(DSM# 10768) Mississippi is home to the largest deposits of petrified wood east of the Mississippi.

(DSM# 10760) This is one of many fossils in the Dunn-Seiler collection that have not been identified beyond the family level.

(no number) Deer of the Pleistocene were very similar to the white tailed deer that are still common in North and Central America today.

(DSM #1658)

Mr. Franklin Carl Seiler was Instructor of Geology, Department of Geology and Geography from 1937-1944.