moving real estate
Name of the Supercontinent described by Alfred Wegener...
What is Pangaea?
The theory used to explain the origin of the universe.
What is the Big Bang?
Earliest crust
What is basalt?
Represent the earliest fossilized organisms...
What are stromatolites (cyanobacteria)?
Name of first major orogenic event by 2.0 by...
What is the Wopmay orogeny?
What are turbidites?
Type of initial magma associated with Continental><Oceanic collision
What is granite?
Concept explains the origin of the solar system...
What is Nebular Hypothesis?
3 Reasons so much of the rock record is missing from this time interval.
What is the rock cycle, too much heat, or impact by space objects?
The type of primitive cell representing the earliest life- doesn't have a a distinct, membrane-bound nucleus and specialized membrane-bound organelles...
What is a prokaryote?
Rocks that represent abundant O2 in atmosphere...
What are red beds?
3.3 to 3.4 g/cm3...
What is the density of basalt?
Mineral used to identify different types of polarity preserved in crust
What is Magnetite?
Process involving primordial earth separating into discrete layers...
What is Differentiation?
We age date these to identify the age of the earth and solar system...
What are meteorites?
This rock captures early O2 and stops forming when Fe decreases and O2 becomes abundant (later in Proterozoic)...
What are Banded Iron Formations?
Event producing a toxic gas 2.4 by that may have led to earliest global mass extinction crisis....
What is the Global Oxidation Event?
35 to 70 km (and possibly up to 120km) thick...
What is continental crust?
names of the continents forming Gondwanaland...
What are Africa, Australia, South America, India, Anarctica
The phenomena where light wavelengths increase in size and decrease in frequency as an object moves away from your point of vision.
What is Red Shift?
Oldest rock on Earth...
What is amphibolite?
Name of the metamorphosed oceanic crust forming many landmasses...
What are greenstone belts?
Abundant worldwide production of limestone may have caused this specific, cool event...
What is Huronian Glaciation?
Granite may form from this process.
What is differentiation OR the remelting of silica rich sediments?
These land masses are added to a continent from collisions with other landmasses- they may be very different from what they collide with....
Telescopes use this to identify the gases, surface materials and overall composition of distant objects.
What is light?
Name of hypothetical impacter that produced the moon...
What is Theia?
Represent oldest sedimentary rocks.
What are graywackes?
Name of major supercontinent that formed 1.3-1.2 BY?
What is Rodinia?
Time frame when modern plate tectonics begins to occur...
What is the Archean?
The sediments scraped off of the oceanic crust during convergence...
What is the Accretionary Wedge?
Carl Sagan once noted 'All matter, everywhere' comes from these sources....
What are stars?
The rock is argued to represent the oldest evidence of granite at 4.28 by old...
What is gneiss?
Process by which continents grew incrementally over time...
What is accretion?
Major event initiated in the Cryogenian 720-635 mya?
What is Snowball Earth?
These features represent mantle plumes that burn holes through the overlying crust.
What are hotspots?