ASBOG - General and Field Geology Exam Questions and Answers
7 mal angesehen 0 mal verkauft
Kurs
PG - Professional Geologist
Hochschule
PG - Professional Geologist
Law of Superposition - Answer-Younger layers of rock sit atop older layers
Law of Initial Horizontality - Answer-Layers of sedimentary rock are initially deposited flat in layers.
relative age dating - Answer-the fossil assemblage existing within a rock specimen can be used to determine upper...
ASBOG - General and Field Geology
Exam Questions and Answers
Law of Superposition - Answer-Younger layers of rock sit atop older layers
Law of Initial Horizontality - Answer-Layers of sedimentary rock are initially deposited
flat in layers.
relative age dating - Answer-the fossil assemblage existing within a rock specimen can
be used to determine upper and lower possible age. Gives age range. Example: 100 to
200 mya.
radiometric dating - Answer-the process of measuring the absolute age of geologic
material by measuring the concentrations of radioactive isotopes and their decay
products. Can give exact date.
paleomagnetic dating - Answer-A method for determining the age of rocks based on
properties relating to changes in the patterns of Earth's magnetism over time.
Carbon-14 or radiocarbon - Answer-dates up to 60,000 years.
Potassium-argon isotope dating - Answer-greater than 100,000 years old
Uranium-thorium dating - Answer-date carbonate materials that are younger than about
500,000 years
Rubidium-Strontium isotope dating - Answer-igneous materials over 10 million years old
Uranium-lead isotopes - Answer-date between 1 million and 4.5 billion years old
geologic time scale - Answer-
Paleozoic - Answer-first appearance of invertebrates
Mesozoic Era - Answer-appearance of reptiles
Cenozoic Era - Answer-Appearance of mammals and man
Type section - Answer-Geologic formation named based on the specific location or area
where the formation is best exposed or best represented. EX: local town or cultural
features. (formation)
type locality - Answer-where a mineral or geologic feature is first found, described, and
best represented. (mineral or geologic feature)
, Fault - Answer-Geologic fracture or fracture zone in crustal rocks along which there has
been displacement of the two sides relative to one another parallel to the fracture. The
dip of a fault (the angle of the fault relative to horiontal) can be between 0 (flat lying) and
90 (vertical) degrees. Consist of a hanging and footwall.
Vertical Fault - Answer-no distinguishable foot or hang wall since both surfaces are
vertical
normal fault - Answer-A type of fault where the hanging wall slides downward; caused
by tension in the crust
Reverse Fault (thrust) - Answer-a type of fault where the hanging wall slides upward;
caused by compression in the crust
strike-slip fault - Answer-a type of fault where rocks on either side move past each other
sideways with little up or down motion
Growth Fault - Answer-A fault that forms contemporaneously with deposition in
sedimentary rock. The throw increases with depth and the sedimentary units on the
downthrown side are thicker than the corresponding units on the upthrown side
detachment fault - Answer-A low-angle normal fault associated with regional extension.
Typically in the tens of kilometer range. Usually juxtapose unmetamorphosed headwall
rocks against mildly to highly metamorphosed footwall rocks.
listric fault - Answer--similar to normal faults but the fault plane curves, the dip being
steeper near the surface, then shallower with increased depth.
-The dip may flatten into a sub-horizontal décollement, resulting in horizontal slip on a
horizontal plane.
oblique-slip fault - Answer-A fault with both strike-slip and dip-slip components.
thrust fault - Answer-Low angle reverse fault. Plane of the fault is between 0 and 45
degrees.
heave - Answer-horizontal movement along a fault
throw - Answer-vertical component of dip separation
net slip - Answer-The distance between two formerly adjacent points on either side of
the fault, measured on the fault surface. A vector between these points indicates the
distance and direction of fault displacement.
offset - Answer-the component of displacement measured perpendicular to the strike of
the disrupted side of the fault
Alle Vorteile der Zusammenfassungen von Stuvia auf einen Blick:
Garantiert gute Qualität durch Reviews
Stuvia Verkäufer haben mehr als 700.000 Zusammenfassungen beurteilt. Deshalb weißt du dass du das beste Dokument kaufst.
Schnell und einfach kaufen
Man bezahlt schnell und einfach mit iDeal, Kreditkarte oder Stuvia-Kredit für die Zusammenfassungen. Man braucht keine Mitgliedschaft.
Konzentration auf den Kern der Sache
Deine Mitstudenten schreiben die Zusammenfassungen. Deshalb enthalten die Zusammenfassungen immer aktuelle, zuverlässige und up-to-date Informationen. Damit kommst du schnell zum Kern der Sache.
Häufig gestellte Fragen
Was bekomme ich, wenn ich dieses Dokument kaufe?
Du erhältst eine PDF-Datei, die sofort nach dem Kauf verfügbar ist. Das gekaufte Dokument ist jederzeit, überall und unbegrenzt über dein Profil zugänglich.
Zufriedenheitsgarantie: Wie funktioniert das?
Unsere Zufriedenheitsgarantie sorgt dafür, dass du immer eine Lernunterlage findest, die zu dir passt. Du füllst ein Formular aus und unser Kundendienstteam kümmert sich um den Rest.
Wem kaufe ich diese Zusammenfassung ab?
Stuvia ist ein Marktplatz, du kaufst dieses Dokument also nicht von uns, sondern vom Verkäufer lectknancy. Stuvia erleichtert die Zahlung an den Verkäufer.
Werde ich an ein Abonnement gebunden sein?
Nein, du kaufst diese Zusammenfassung nur für 15,13 €. Du bist nach deinem Kauf an nichts gebunden.
