XIX. Questions (476-500) Flashcards
A fifteen (15) km road stretch is represented in a 1:10,000 map by what length (in centimeters)? a. 1.5 cm b. 15 cm c. 150 cm d. 1500 cm e. none of the above
c. 150 cm
A fold whose limbs close at the bottom and the stratigraphic order of the folded layers is known is called? a. Syntax b. Synclise c. Syncline d. Synform
d. Synform
A fold that intersects a pre-existing fold of different orientation is known as? a. Superimposed fold b. Transverse fold c. Subsequent fold d. All three
d. All three
A fold upon which minor folds with similar axes have developed is called? a. Compound fold b. Complex fold c. Cross fold d. Oblique fold
a. Compound fold
A fold of rock layers with a convex shape pointing upwards; a convex-upward fold type o dome o syncline o basin o anticline
o anticline
A flat-topped submerged volcanic mountain or seamount found in the ocean o plateau o mesa o shield volcano o guyot
o guyot
A fold that has no curvature in its hinge and straight-sided limbs that form a zigzag pattern. a. syncline b. recumbent fold c. monocline d. chevron fold
d. chevron fold
A fine-grained igneous rock composed of pyroxene, olivine, and Ca-plagioclase is called: a) gabbro b) andesite c) basalt d) rhyolite
c. basalt
A fine-grained igneous rock composed of Ca-Plagioclase, amphibole, and biotite, with small amounts of quartz and augite, is called: a) gabbro b) andesite c) diorite d) rhyolite e) basalt
c. diorite
A focal depth of 500 km is said to be a) shallow b) intermediate c) deep
c. deep
A focal depth of 50 km is said to be a) shallow b) intermediate c) deep
b. intermediate
A flowage of underlying material that causes the overlying firmer rock or soil to break into units and spread apart is called: a) earthflow b) slump c) spreading failure d) solifluction
c. spreading failure
A flat-topped terrain formed in horizontally bedded resistant rocks. a) butte b) tor c) mesa
c. mesa
A fold in rocks that is convex upward and the beds dip away from the axis. a) anticline b) syncline c) monocline
a. anticline
A fold whose axial planes are vertical and the axis horizontal. a) symmetrical b) asymmetrical c) non-symmetrical
a. symmetrical
A fold whose axial plane becomes increasingly inclined and approaches the horizontal. a) recumbent b) incumbent c) isoclinals
a. recumbent
A fine-grained rock flour, or rock composed of material whose grain size has been mechanically reduced by pulverization during fault movement. a. fault breccia b. fault gouge c. powder d. mylonite
b. fault gouge
A flat-topped seamount rising more than 1 km above the seafloor is known as a(an): A) Guyot B) Atoll C) Submarine fan D) Oceanic ridge E) Continental rise
A) Guyot
A fold whose axis is inclined rather than horizontal. a) inclined fold b) diagonal fold c) uneven fold d) plunging fold
d. plunging fold
A fine-grained limestone formed from lime mud is called oolite.
Oolite
A first-order stream is wider than a second-order stream.
False
A fold in which the axis is dipping or tilted between the vertical and the horizontal. a) dipping fold b) dome c) plunging fold d) asymmetric fold e) isoclinal fold
c. plunging fold
A fold whose axial plane is essentially horizontal is called a. Fan fold b. Overturned fold c. Box fold d. Chevron fold e. Recumbent fold
e. Recumbent fold
A fold that is concave upward. a. Syncline b. Anticline c. Diapir folds d. Piercing folds e. None of these
a. Syncline
