HIGH LAVA PLAINS

1.         Give a geologic overview of the High Lava Plains

2.         Give the structure and orientation of the Brothers and Eugene-Denio fault zones.

3.         Describe the structural trends that converge on Newberry Caldera.

4.         Discuss the age and distribution of volcanic centers and give possible reasons to account for the paradox of ages of volcanic.

5.         Describe the following features of geologic interest on the High Lava Plains:

            Fort Rock and Table Mountain tuff rings

            The Devils Garden

            Diamond Craters

            Newberry Crater

6.         Differentiate between the Basin and Range and the High Lava Plains provinces.

7.         Definitions to know:

            caldera                                                 pahoehoe         

            palagonite tuff ring                                 ‘a’a

            pluvial lake                                            cindercone

            spatter cone                                          volcanic bomb

            lava tube                                               bimodal volcanism

Columbia Plateau

1.         Give an overview of the time frame of eruption and distribution of the Columbia River

            Basalt Group.

2.         Be able to list in order ALL the Columbia River Basalt flows….(JUST KIDDING!!)

3.         Understand and explain the various models that have been used to explain the eruption of the  Columbia River Basalt Group.

4.         Discuss the Pleistocene events on the Columbia Plateau- Bretz Floods, glaciation, loess

            deposits, etc.,

5.         Formations to be familiar with:

                        Palouse Fm.

                        Columbia River Basalt Group

                        Deschutes Fm.

6.         Definitions:

                        scabland

                        anticlines and synclines

                        intracanyon basalt flow

                        Plio-Cascades (ancestral Cascades)