Match the following examples with the correct geologic principle/event.
A) Undeformed sequence of sandstone on bottom, shale in the middle, and conglomerate on top.
B) Marine shale sits atop folded strata.
C) Trilobite is used to match shale units across an ocean basin.
D) Igneous dike intrudes into a sequence of sandstone, shale, and limestone.
E) Continuous layer of shale eventually thins out, grading into sandstone.
F) Sandstone sits atop a granite intrusion and pieces of the granite are contained within the sandstone.
G) Rock layers have been tilted or folded, are not lying flat.
H) Sandstone outcrop is submerged underwater, then overlain by shale.
I) Conglomerate sits atop a granite intrusion.
8) disconformity
9) nonconformity
10) angular unconformity
11) principle of superposition
12) principle of original horizontality
13) principle of lateral continuity
14) principle of cross-cutting relationships
15) principle of inclusions
16) principle of fossil succession
Question 2
The shortest subdivision of the geologic time scale is the ________.
A) epoch
B) eon
C) era
D) period
Examples of Labeling Changes
Correct alignment for stacking the joints to apply thumb pressure to acupoints.
Gestalt Principle: Proximity
The Geologic Time Scale
Genes are composed of a sequence of nucleotides in a DNA molecule
Annotation of a DNA sequence containing part of the human globin gene