What occurs during cementation?
A) Additional layers of sediment accumulate and press down on the layers underneath them.
B) Sediment is heated up, causing them to cement together.
C) Minerals precipitate from water in the pore spaces between sediment particles and cement them together into rock.
D) Sediment crystallizes, causing them to cement together.
Question 2
Choose the option that matches the pore particles with the cement it forms upon reaction with water.
A) Feldspar grains become hematite; iron-silicate grains form quartz.
B) Silicate grains become clay; iron-oxide grains form hematite.
C) Pyroxene grains become clay; carboN-silicate grains form hematite.
D) Feldspar grains become clay; iron-silicate grains form hematite.
Erythroblastosis fetalis. (a) The condition occurs with an RH+ father and RH– mother. (b) First preg
Layers of Rock Laid Down by Water
layers of the skull to memorize for intracranial questions
Rock layers (strata) usually look like layers in a cake such as these strata at Olduvai Gorge Tanzan
SOHC engines usually require additional components such as a rocker arm to operate all of the ...
(A) Thumb slides to forehead in 2–3 rows, and along the eyebrow to the outer edge. (B) Press into ...