Problem 4
The formation of Sample S1 includes: __________. a. chemical weathering, transport of ions, precipitation of minerals, lithification b. mechanical weathering, transport of sediment a short distance, deposition of sediment, lithification c. photosynthesis, growth of organic material, deposition of organic materials, lithification d. chemical weathering, transport of ions, precipitation of minerals as shells by organisms, deposition, lithification
Problem 7
Closely examine the individual grains in Sample S2. Which of the following is true about its maturity? a. It is mature because it contains a variety of different minerals. b. It is immature because it is poorly sorted. c. It is mature because it contains mostly rounded quartz grains. d. It is immature because the grains are jagged.
Problem 20
Sample \(\mathrm{S}_{5}\) has the following characteristic: a. effervesces in diluted \(\mathrm{HCl}\) acid b. weakly effervesces in diluted HCl acid if powdered c. contains fossil shells and effervesces in diluted HCl acid d. contains pebbles and finer sediments e. a sooty or shiny appearance
Problem 43
If the sea level dropped 1,000 feet and this sedimentary environment stopped being built and began to break down, what type of weathering would be most likely to occur on these rocks? a. Fracturing from the addition or subtraction of pressure b. Dissolution c. Frost Wedging d. Hydrolysis
