Rocks, Minerals, and Fossils
Definition of a trace fossil.
What is any evidence of movement or existence in fossils?
Geological Era we are currently in
What is Quaternary
River that runs through Lafayette.
What is the Vermillion River?
The name for the topmost layer of a soil profile.
how many types of plant chlorophyll are there
what are five types (A, B, C, D, F)
the two most common elements in the earths crust.
what is oxygen and silicon?
major extinction event that occurred ~65mya
what is end cretaceous
Louisiana's State Wildflower
What is Louisiana Iris
The process in which water moves through soil and carries nutrients with it.
What is Leaching?
one of the three main plant nutrients (NPK) that has the slowest cycle
what is phosphorus?
A fossil that forms when minerals replace all of the original material, turning the specimen into stone.
What is petrification or permineralization?
The Hawaiian Islands are created by this stationary mantle feature.
What is a hotspot
Parish that has had 10+ earthquakes within the past 30 days. Magnitudes range from 2.1-4.9.
What is Coushatta in Red River Parish?
What is Ruston Soil Series
Percentage of animal species that are insects.
What is 80%?
a pair of intrusive and extrusive rocks that are composed of the same minerals
a. diorite and rhyolite
b. gabbro and andesite
c. gabbro and basalt
d. granite and andesite
what is granite and andesite
The longest division of geologic time, making up ~89% of earths history
what is the Precambrian?
What is seven?
A common positive feedback loop that affects water bodies.
What is Eutrophication?
threaded structures that Fungi use to absorb nutrients.
what are hyphae?
This type of fossil preserves extremely fine details—sometimes even soft tissues due to rapid burial in oxygen‑poor environments like tar pits, amber, or fine volcanic ash.
What is exceptional preservation (Lagerstätte)?
This geologic interval marks the rapid diversification of mammals after the K–Pg extinction and includes the warmest global temperatures of the Cenozoic.
What is the Paleocene–Eocene Thermal Maximum (PETM)?
The highest elevation in Louisiana
What is 535 ft?
The amount of level 1 ecoregions in North America.
What is 15?
Fungus with a symbiotic relationship to plant roots.
what are Mycorrhizal Fungi?