Question

This soil type is split into chernozem, kastanozem, phaeozem, and umbrisol by the World Reference Base. For 10 points each:
[10h] Name this dark and exceptionally fertile soil type that is defined by very high concentrations of organic matter in the A horizon, creating a surface layer known as this soil type’s namesake epipedon.
ANSWER: mollisol [accept mollic epipedon]
[10m] In North America, chernozem is found in the “aspen parkland” between the Canadian prairies and this soil type to its north. The leeching of iron and aluminum creates an E horizon bleached of color in this soil type, which is typically found in coniferous forests and taigas.
ANSWER: podzol [or spodosol; accept podzolic]
[10e] North of the Canadian taiga is the tundra, which is defined by this type of soil that is frozen year-round.
ANSWER: permafrost [accept gelisol]
<Science - Other Science - Earth Science>

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Summary

2024 ARGOS @ Brandeis03/22/2025Y310.00100%0%0%
2024 ARGOS @ Chicago11/23/2024Y613.33100%33%0%
2024 ARGOS @ Christ's College12/14/2024Y316.67100%67%0%
2024 ARGOS @ Columbia11/23/2024Y313.33100%33%0%
2024 ARGOS @ McMaster11/17/2024Y512.00100%20%0%
2024 ARGOS @ Stanford02/22/2025Y310.00100%0%0%
2024 ARGOS Online03/22/2025Y320.00100%100%0%

Data

I wish it were possible to freeze time so I would never have to watch you retireCLEVELAND, THIS IS FOR YOU!0101020
Thompson et al.UBC0101020
throw away your cards, rally in the streetsAw we're so sorry to hear that maman died today, she gets five big booms0101020