A(n) _______________ is an intermittent hot spring that erupts steam above the surface under unusually high pressure
Fill in the blank(s) with correct word
geyser
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Make a P–T-t diagram based on this information from the eclogite province of the Bergen Arcs (for references, see Bingen et al, 2004): (1) Granulite facies: almost 1 GPa and 800–850 °C at ~930 Ma (U–Pb ages of zircon). (2) Eclogite facies: 1.8–2.1 GPa and ~700 °C at 423 ± 4 Ma (U-Pb zircon rim crystallization age). (3) Amphibolite facies retrogressive shearing: 0.8–1.2 GPa and ~690 °C at 409 ± 8 Ma (Rb/Sr). Other ages: Dikes predating amphibolite facies shearing: 422 ± 6 Ma to 428 ± 6 Ma (Rb/Sr) and 418 ± 9 (U-Pb). Apatite fission-track ages around 180 Ma indicate time of cooling through 150 °C. to
What will be an ideal response?
The Arctic is not a significant area with respect to global warming, as very few people live there
Indicate whether the statement is true or false
The daily mean temperature is determined by ________
A) summing the temperature measured every hour and dividing by 24 B) summing the maximum and minimum temperatures daily and dividing by 2 C) summing the digital samples of temperature in several places at different times of day and averaging those samples D) measuring the temperature at noon E) none of the above
The most widespread of all coastal depositional features is the ________
A) cliff B) bar C) beach D) spit E) tombolo