Igneous rock names are based on grain shape and chemical composition.
Answer the following statement true (T) or false (F)
False
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Hazards associated with basaltic lava flows and eruptions are:
a) burial of roads and neighborhoods by lava flow b) house fires c) floods from catastrophic melting of ice d) all of the above e) a and b only
Which of the following is NOT a common setting in which a terrane originally forms?
A. oceanic plateau B. linear island chain C. oceanic crust D. island arc E. All of these are common settings for a terrane.
Briefly describe what is meant by the term pioneer species. Identify the general characteristics of pioneer species, and give an examples of pioneer species
What will be an ideal response?
Geologists may choose to lick a mineral to identify it. What mineral is the geologist expecting with this test?
A) NaCl (halite) or KCl (sylvite) B) a sulfide bearing rock which will taste like rotten eggs C) None, it clears the dust off the sample so he/she can see if more clearly. D) None, they are clearing the hydrochloric acid from the sample to rerun a test for calcite.