OCE 1001 MIDTERM REVIEW 2

What is the rate of deposit for a coarse lithogenous sediment, neritic deposit? 0.001 millimeter (0.00004 inch) 1 centimeter (0.4 inch) 1 millimeter (0.04 inch) 1 meter (3.3 feet)

1 meter (3.3 feet)

What is the rate of deposit for an abyssal clay, pelagic deposit? 1 meter (3.3 feet) 0.001 millimeter (0.00004 inch) 1 centimeter (0.4 inch) 1 millimeter (0.04 inch)

1 millimeter (0.04 inch)

Based on the Saffir-Simpson scale, extensive damage would be considered which category hurricane? 4 1 2 3 5

3

The mid-ocean ridge forms Earth's longest mountain chain, extending across approximately ________ miles of deep-ocean basin. 50,000 55,000 40,000 60,000 46,000

46,000

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. Choose the one option that does not fit the pattern. Azores Iceland Canary Islands Aleutian Islands Galapagos Islands

Aleutian Islands

Which type of sediment deposit has an average rate of deposition (per 1000 years) of 1 centimeter (0.4 inch)? Coarse lithogenous sediment, neritic deposit Manganese nodule, pelagic deposit Abyssal clay, pelagic deposit Biogenous ooze, pelagic deposit

Biogenous ooze, pelagic deposit

Judge the following sentence according to the criteria given below: There is no relative motion across a transform fault BECAUSE the parts of the lithospheric plate cut by a transform fault are moving in the same direction. Both the assertion and the reason are incorrect. The assertion and the reason are both correct, but the reason is invalid. The assertion is correct, but the reason is incorrect. The assertion is incorrect, but the reason is correct. The assertion and the reason are both correct, and the reason is valid.

Both the assertion and the reason are incorrect.

Where are the thickest marine sediments located? Deep ocean basin Continental rise Abyssal plain Continental shelf Submarine canyon

Continental shelf

The extinction of the dinosaurs marks the boundary between which two periods? Cretaceous and Jurassic Cretaceous and Tertiary Jurassic and Cretaceous Jurassic and Triassic Cretaceous and Permian

Cretaceous and Tertiary

What is a linear sea floor feature that is seismically inactive, occurs beyond offset mid-ocean ridge segments, and the relative movement between two points on either side of the feature is in the same direction? Fracture zone Nemataths Guyots Transform fault Seaknolls

Fracture zone

The ion in sea water that serves as a buffer is ________. CO2 HCO3− Ca+2 Cl− Na+

HCO3−

In which period did the first fishes appear? Ordovician Silurian Devonian Cambrian

Ordovician

Judge the following sentence according to the criteria given below: Future offshore petroleum exploration will continue in the deeper waters of the continental margins BECAUSE offshore petroleum exploration has inevitable oil spills caused by inadvertent leaks or blowouts during the drilling process. The assertion and the reason are both correct, and the reason is valid. The assertion is incorrect, but the reason is correct. The assertion and the reason are both correct, but the reason is invalid. The assertion is correct, but the reason is incorrect. Both the assertion and the reason are incorrect.

The assertion and the reason are both correct, but the reason is invalid.

Judge the following sentence according to the criteria given below: Coarse-grained lithogenous neritic deposits dominate continental margin areas BECAUSE they do not contain biogenous, hydrogenous, and cosmogenous particles. The assertion and the reason are both correct, but the reason is invalid. The assertion is incorrect, but the reason is correct. The assertion is correct, but the reason is incorrect. Both the assertion and the reason are incorrect. The assertion and the reason are both correct, and the reason is valid.

The assertion is correct, but the reason is incorrect.

Judge the following sentence according to the criteria given below: A 1-unit change in pH represents a 100-fold change in hydrogen ion concentration BECAUSE pH is not a linear scale. The assertion and the reason are both correct, and the reason is valid. The assertion is incorrect, but the reason is correct. Both the assertion and the reason are incorrect. The assertion and the reason are both correct, but the reason is invalid. The assertion is correct, but the reason is incorrect.

The assertion is incorrect, but the reason is correct.

Which part of Earth's cumulative hypsographic curve includes the continental shelves of passive margins? The steep segment above sea level The gentle slope above sea level The steep deepest part below sea level The shallowest slope below sea level The long and flat part below sea level

The shallowest slope below sea level

Which part of Earth's cumulative hypsographic curve includes the mid-ocean ridges? The shallowest slope below sea level The long and flat part below sea level The steep segment above sea level The steep deepest part below sea level The gentle slope above sea level

The shallowest slope below sea level

Which part of Earth's cumulative hypsographic curve includes linear scars in the ocean floor, caused by the collision of two plates along convergent plate margins? The gentle slope above sea level The steep segment above sea level The shallowest slope below sea level The long and flat part below sea level The steep deepest part below sea level

The steep deepest part below sea level

What is a linear sea floor feature that is seismically active, occurs between offset mid-ocean ridge segments, and the relative movement between two points on either side of the feature is in the opposite direction? Fracture zone Guyots Seaknolls Transform fault Nemataths

Transform fault

Which of the following air masses does not belong in the list? cT cP mP cA

cT (continental tropical)

A cold air mass moving into an area occupied by relatively warm air is called a(n) ________. occluded front low pressure system cold front warm front high pressure system

cold front

Rocks at Divergent Boundaries

dark colored, clustered

The Pacific Ocean is an example of the ________ stage of the Wilson Cycle. terminal juvenile declining suturing mature

declining

As the salinity of seawater increases, its ________. residence time increases residence time decreases density decreases density increases residence time changes

density increases

The main energy resources associated with marine sediments are petroleum and ________. rare-earth elements wind power gas hydrates coal ethanol

gas hydrates

Earth's initial atmosphere formed from ________. outgassing leftover gases from the nebula the Sun's solar wind comet vaporization

leftover gases from the nebula

Ocean basins with continental margins are representative of the ________ stage of the Wilson Cycle. juvenile terminal suturing declining mature

mature

The type of marine sediment that forms the thickest deposits worldwide is ________. neritic siliceous sediment deposits pelagic biogenous calcareous deposits manganese nodule deposits abyssal clay deposits neritic, lithogenous sediment deposits

neritic, lithogenous sediment deposits

Which of the following climatic regions exists at the following location: Latitude: 20°N Longitude: 180°W? Polar Equatorial Subpolar Temperate Tropical Subtropical

polar

Which of the following climatic regions exists at the following location: Latitude: 80°N Longitude: 180°W? Subpolar Polar Equatorial Subtropical Tropical Temperate

polar

Which of the following climatic regions exists at the following location: Latitude: 60°S Longitude: 170°W? Temperate Subpolar Tropical Subtropical Polar Equatorial

subpolar

Which of the following climatic regions exists at the following location: Latitude: 30°S Longitude: 80°E? Equatorial Subtropical Polar Tropical Subpolar Temperate

subtropical

Which of the following climatic regions exists at the following location: Latitude: 40°S Longitude: 20°W? Temperate Polar Subtropical Tropical Subpolar Equatorial

subtropical

Which of the following climatic regions exists at the following location: Latitude: 40°S Longitude: 80°W? Polar Subpolar Tropical Equatorial Subtropical Temperate

temperate

Which of the following climatic regions exists at the following location: Latitude: 60°N Longitude: 20°W? Subtropical Subpolar Polar Equatorial Tropical Temperate

temperate

In which period did the dinosaurs dominate? Triassic Permian Jurassic Cretaceous

triassic