The Full Wiki

Shale: Quiz


Did you know ...

More interesting facts on Shale

Include this on your site/blog:
Question 1: ________, animal tracks/burrows and even raindrop impact craters are sometimes preserved on shale bedding surfaces.
GeologyPaleontologyGeologic time scaleFossil

Question 2: 'Black shales' are dark, as a result of being especially rich in unoxidized ________.

Question 3: The process in the ________ which forms shale is compaction.
BasaltEarthIgneous rockRock cycle

Question 4: The transformation of smectite to illite produces ________, sodium, calcium, magnesium, iron and water.
AmethystOpalQuartzSilicon dioxide

Question 5: The clay minerals represented are largely ________, montmorillonite and illite.

Question 6: These released elements form authigenic quartz, chert, ________, dolomite, ankerite, hematite and albite, all trace to minor (except quartz) minerals found in shales and other mudrocks.
CalciteCalcium carbonateCarbonAragonite

Question 7: Shales may also contain ________ consisting of pyrite, apatite, or various carbonate minerals.
SandstoneSedimentary rockConcretionMoeraki Boulders

Question 8: The enriched values are of controversial origin, having been alternatively attributed to input from hydrothermal fluids during or after sedimentation or to slow accumulation from ________ over long periods of sedimentation.
Current sea level riseSeawaterOcean thermal energy conversionSea level

Question 9: Shale is a fine-grained, clastic sedimentary rock composed of mud, which is a mix of flakes of clay minerals and tiny fragments (silt-sized particles) of other minerals, especially quartz and ________.
Calcium carbonateCarbonAragoniteCalcite

Question 10: Shales are typically deposited in very slow moving water and are often found in lakes and lagoonal deposits, in river deltas, on ________ and offshore from beach sands.
ValleyBraided riverFloodplainAnabranch


Got something to say? Make a comment.
Your name
Your email address