n which soil horizon(s) do you expect maximum illuviaton?TAXONOMIC CLASS: Chagrin (Fine-loamy, mixed, active, mesic Dystric Fluventic Eutrudepts)TYPICAL PEDON: Chagrin silt loam - in an idle area, formerly a cultivated field, on a 1 percent slope at an elevation of 750 feet. (Colors are for moist soil unless otherwise stated.)Ap--0 to 10 inches; dark grayish brown (10YR 4/2) silt loam, light brownish gray (10YR 6/2) dry; weak fine and medium granular structure; friable; medium acid; abrupt smooth boundary. (6 to 12 inches thick)Bw--10 to 44 inches; yellowish brown (10YR 5/4) silt loam; weak medium subangular blocky structure that becomes coarser and less well defined with depth; friable; brown (10YR 4/3) organic stains on faces of peds and very dark grayish brown (10YR 3/2) organic stains in root channels; medium acid; gradual smooth boundary. (14 to 40 inches thick)C--44 to 60 inches; brown (10YR 5/3) silt loam; massive; friable; medium acid.Group of answer choicesAppCBw

Which horizon(s) indicate "true" soil?TAXONOMIC CLASS: Chagrin (Fine-loamy, mixed, active, mesic Dystric Fluventic Eutrudepts)TYPICAL PEDON: Chagrin silt loam - in an idle area, formerly a cultivated field, on a 1 percent slope at an elevation of 750 feet. (Colors are for moist soil unless otherwise stated.)Ap--0 to 10 inches; dark grayish brown (10YR 4/2) silt loam, light brownish gray (10YR 6/2) dry; weak fine and medium granular structure; friable; medium acid; abrupt smooth boundary. (6 to 12 inches thick)Bw--10 to 44 inches; yellowish brown (10YR 5/4) silt loam; weak medium subangular blocky structure that becomes coarser and less well defined with depth; friable; brown (10YR 4/3) organic stains on faces of peds and very dark grayish brown (10YR 3/2) organic stains in root channels; medium acid; gradual smooth boundary. (14 to 40 inches thick)C--44 to 60 inches; brown (10YR 5/3) silt loam; massive; friable; medium acid.Group of answer choicesAp, Bw, CApCAp, BwNext

Which horizon(s) indicate parent material?TAXONOMIC CLASS: Chagrin (Fine-loamy, mixed, active, mesic Dystric Fluventic Eutrudepts)TYPICAL PEDON: Chagrin silt loam - in an idle area, formerly a cultivated field, on a 1 percent slope at an elevation of 750 feet. (Colors are for moist soil unless otherwise stated.)Ap--0 to 10 inches; dark grayish brown (10YR 4/2) silt loam, light brownish gray (10YR 6/2) dry; weak fine and medium granular structure; friable; medium acid; abrupt smooth boundary. (6 to 12 inches thick)Bw--10 to 44 inches; yellowish brown (10YR 5/4) silt loam; weak medium subangular blocky structure that becomes coarser and less well defined with depth; friable; brown (10YR 4/3) organic stains on faces of peds and very dark grayish brown (10YR 3/2) organic stains in root channels; medium acid; gradual smooth boundary. (14 to 40 inches thick)C--44 to 60 inches; brown (10YR 5/3) silt loam; massive; friable; medium acid. Group of answer choicesApCBwp

Which horizon(s) indicate regolith?TAXONOMIC CLASS: Chagrin (Fine-loamy, mixed, active, mesic Dystric Fluventic Eutrudepts)TYPICAL PEDON: Chagrin silt loam - in an idle area, formerly a cultivated field, on a 1 percent slope at an elevation of 750 feet. (Colors are for moist soil unless otherwise stated.)Ap--0 to 10 inches; dark grayish brown (10YR 4/2) silt loam, light brownish gray (10YR 6/2) dry; weak fine and medium granular structure; friable; medium acid; abrupt smooth boundary. (6 to 12 inches thick)Bw--10 to 44 inches; yellowish brown (10YR 5/4) silt loam; weak medium subangular blocky structure that becomes coarser and less well defined with depth; friable; brown (10YR 4/3) organic stains on faces of peds and very dark grayish brown (10YR 3/2) organic stains in root channels; medium acid; gradual smooth boundary. (14 to 40 inches thick)C--44 to 60 inches; brown (10YR 5/3) silt loam; massive; friable; medium acid.Group of answer choicesAp, Bw, CApAp, BwC

In which soil horizons do you expect maximum illuviation?PACOLET SERIESThe Pacolet series consists of very deep, well drained, moderately permeable soils that formed in residuum weathered mostly from felsic igneous and metamorphic rocks of the Piedmont uplands. Slopes commonly are 15 to 25 percent but range from 2 to 60 percent.TAXONOMIC CLASS: Fine, kaolinitic, thermic Typic KanhapludultsTYPICAL PEDON: Pacolet sandy loam - forested. (Colors are for moist soil.)A--0 to 3 inches; brown (7.5YR 5/4) sandy loam; few fine distinct yellowish red (5YR 5/8) mottles; moderate medium granular structure; friable; many fine and medium roots; strongly acid; clear wavy boundary. (1 to 12 inches thick)Bt1--3 to 23 inches; red (2.5YR 4/6) clay; moderate medium subangular blocky structure; firm, slightly sticky; common distinct clay films on faces of peds; common fine and medium roots; common very fine pores; moderately acid; gradual wavy boundary.Bt2--23 to 29 inches; red (2.5YR 4/6) clay; common fine prominent reddish yellow (7.5YR 7/8) mottles; moderate medium subangular blocky structure; firm, slightly sticky; common distinct clay films on faces of peds; common very fine pores; few fine flakes of mica; moderately acid; gradual wavy boundary. (Combined thickness of the Bt horizon is 12 to 26 inches)BC--29 to 37 inches; red (2.5YR 4/6) clay loam; many medium prominent reddish yellow (7.5YR 7/8) mottles; weak medium subangular blocky structure; friable; few fine flakes of mica; strongly acid; gradual wavy boundary. (3 to 15 inches thick)C1--37 to 52 inches; mottled red (2.5YR 4/6) and reddish yellow (7.5YR 7/8) saprolite that has a clay loam texture; massive; friable; thin discontinuous distinct clay seams in cracks; few fine flakes of mica; strongly acid; gradual wavy boundary. (10 to 20 inches thick)C2--52 to 80 inches; light yellowish brown (10YR 6/4) loam saprolite; common medium prominent red (2.5YR 4/6) and strong brown (7.5YR 5/8) mottles; massive; friable; strongly acid.Group of answer choicesC2ABt1, Bt2, BCC1

What kind of parent material does the soil below have?The Chagrin series consists of deep, well drained moderately permeable soils that formed in alluvium on flood plains. Slopes range from 0 to 3 percent. Mean annual precipitation is about 38 inches, and mean annual temperature is about 51 degrees F.TAXONOMIC CLASS: Chagrin (Fine-loamy, mixed, active, mesic Dystric Fluventic Eutrudepts)TYPICAL PEDON: Chagrin silt loam - in an idle area, formerly a cultivated field, on a 1 percent slope at an elevation of 750 feet. (Colors are for moist soil unless otherwise stated.)Ap--0 to 10 inches; dark grayish brown (10YR 4/2) silt loam, light brownish gray (10YR 6/2) dry; weak fine and medium granular structure; friable; medium acid; abrupt smooth boundary. (6 to 12 inches thick)Bw--10 to 44 inches; yellowish brown (10YR 5/4) silt loam; weak medium subangular blocky structure that becomes coarser and less well defined with depth; friable; brown (10YR 4/3) organic stains on faces of peds and very dark grayish brown (10YR 3/2) organic stains in root channels; medium acid; gradual smooth boundary. (14 to 40 inches thick)C--44 to 60 inches; brown (10YR 5/3) silt loam; massive; friable; medium acid. Group of answer choicesigneousmetamorphicorganicalluviumNext