Studied by 13 people
Which of the following is not a property of a mineral?
Variable chemical formula
The most common mineral group on the planet
Silicates
Granite is a ____,____ rock.
felsic, intrusive
Felsic rocks have ___ silica than mafic igneous rocks.
higher
The ____ of a mineral is the ratio of its density to that of an equal volume of water.
specific gravity
Which of the rocks below has the highest specific gravity?
Basalt
Which mineral fizzes when HCl is placed on it?
Calcite
What is your lab TA’s name?
Skylin
Detrital sedimentary rocks are classified by
grain size
A conglomerate has gravel size particles that are angular
false
At __ plate boundaries, plates move past each other.
Transform
The parent rock of a metamorphic rock is called a
Protolith
Marble is metamorphasized ___
limestone
Foliated metamorphic rocks display no layering
false
Which type of sandstone has >25% feldspars?
arkose sandstone
What type of plate boundary is most associated with trenches?
convergent
volcanoes are not found at which type of plate boundary?
transform
symmetrical patterns in the age of the crust is most associated with what plate boundary?
divergent
Earthquakes are associated with all types of plate boundaries.
True
___ plate boundaries are moving away from each other.
Divergent
At ___ plate boundaries, plates move towards each other.
Convergent
This principle states that layers of sediment deposited in water must have originally been horizontal
D. None of the above
An unconformity where sedimentary rocks are deposited over sedimentary rocks.
Disconformity
When an unstable isotope changes to a new element.
Radioactive decay
The amount of parent isotope remaining after four half lives
6.25%
The geological feature that runs from San Antonio - Austin - Dallas/Ft. Worth
Balcones fault zone
On a geologic map of Texas, if you drew a line from Abilene to Galveston, what would happen to the ages of the rock as you moved toward the coast?
they would get younger
The ages of rocks in Huntsville are mostly
Miocene and Pliocene
Precambrian rocks can be found in Texas in which of the following regions?
Llano uplift
Looking at the diagram below, what is the oldest rock layer?
P
Looking at the diagram below, which layer came first R or B?
R came first.
Looking at the diagram below, what kind of feature is formed at A?
An unconformity.
75% of the Earth’s surface is covered in which type of rock?
Sedimentary
Chemical sedimentary rocks, like halite indicate cold and wet conditions
False
limestone is a clastic sedimentary rock
false
important organisms for producing carbonate sediment include
Marine algae, corals, sea stars
type of sedimentary structure that might form at the bottom of a deep lake
laminations
Cross beds that are tens of meters in height likely formed in which type of depositional environment
Desert
Which of the following indicates multiple current directions?
Symmetrical ripple marks
When the original mineralogy of the hard part of an organism is replaced by a new mineralogy
Replacement
Form of preservation where empty spaces within an organism become filled with mineral rich ground water, which later precipitates and fills the space
Permineralization
process that was important for preserving the fossils from the glass mountains in Texas
silicfication
fossilization process, which is most likely to preserve soft tissue
Carbonization
Trace fossils made from cyanobacteria
Stromatolites
Age of the glass mountains in Texas
permian
Amber is
Hardened tree resin
Trackways left by an organism are examples of body fossils
False
The correct order of the Linnaean classification system from highest to lowest
Kingdom, phylum, class, order, family, genus species
Trilobites belong to which group?
Arthropoda
Trilobites go extinct at the end of which era?
Paleozoic
All brachiopods were sessile (they did not move)
True
Brachiopods have between valve symmetry
False
This group has a five-fold symmetry pattern
Echinoderms
Today’s primary reef building organisms are
Corals
Which of the following is NOT a mollusk?
Brachiopods
The earliest reef building organisms in the rock record were
Archeocyathids
Bivalves that live buried in the sand are called
Infaunal
name for a modified feeding structure in Gastropods that is a ribbon like organ studded with rasping teeth that is used for scraping vegetation or detritus
Radula
The number of days in a year has ___ over geological time.
Decreased
Name for the extinct group of Permian sharks you saw in lab
Xenacanthids
Group to which small reptiles like Cardiocephalus belong
Microsauria
Dimetrodon is a dinosaur
False
Dimetrodon is a diapsid
False
Carlsbad Caverns were formed by __ acid dissolving the Capitan Limestone
sulfuric
The area now known as the Permian basin was mostly a terrestrial environment when the sediments were deposited
False
Seasonal laminations like those found in the Castile formation evaporites are called __
Varves
The sequence below represents a
Transgression
Global temperatures during the Triassic were
Much hotter than today
At the beginning of the Mesozoic, this supercontinent had just formed
Pangea
The formation capping Palo Duro canyon, which is also an important aquifer in the subsurface, especially in places like Kansas
Ogallala formation
Name for the salt formation that underlies much of southeast Texas
Louann
During the ___ a large body of salt was deposited in southeast Texas
Jurassic
Salt traps oil and gas because it is
Impermeable
The western interior seaway which formed during the Cretaceous is an example of what type of basin
Foreland
The taphonomy game you played in lab was developed by researchers at which university?
University of Texas
The highest level of classification in the Linnaean system
Kingdom
Which of these organisms was worth the most points in the taphonomy game?
Vampire squid
Which of these factors made it likely for an organism to survive in the game?
All of the above were helpful
Name for a deposit with exception preservation, often soft tissues
Lagerstätte
Which of the following features of an organism were likely to be recorded
Hard parts
The board game you played is based on an actual fossil deposit
True
Which of the following possible ways to die in the game would be most beneficial to an organism
Thermal stress
Which of the following ways to die in the game would be the least beneficial to an organism
Eaten and digested
In the board game, all of the organisms live in terrestrial environments
False
All organisms living in a community will make it into the Fossil record
False
What is this sample?
Belemnite
What is this sample?
Brachiopod
What is this sample?
Calcite
What is this sample?
Bivalve
What is this sample?
Rugose coral
What is this sample?
Basalt
What is this sample?
Gastropod
What is this sample?
Crinoid
What is this sample?
Granite
What is this sample?
Sandstone
What is this sample?
Limestone
What is this sample?
Conglomerate
What is this sample?
Sclerectinian coral
