What is Clay & Where / How Clay Forms | GEO GIRL

What is mud? What is clay? What is clay made of? What makes clay red vs other colors? In this video, I discuss all things clay minerals! From what clay is defined as, to where clay forms, the different types of clays, and the process of secondary clay formation and what controls the composition of the clay mineral. We also discuss common clay minerals and their relative abundance in common soil types (podzols, pedalfers, pedocals, and laterite soils). Lastly, we go over the reason rain weathers silicate minerals and why feldspars are the most common primary phase to secondary aluminosilicate clay phases.

References: https://courses.lumenlearning.com/wmo...
   • Introduction to Soil  part 1  
   • Introduction to Soil part 2  
https://geologylearn.blogspot.com/201...
Sedimentology and Stratigraphy by Boggs: https://amzn.to/31VIG9x
Earth System History: https://amzn.to/3ospM1k
Geomicrobiology: https://amzn.to/2WAloTR
My soil video:    • Soil Profiles and Types | GEO GIRL  
My mineral weathering video:    • Mineral Weathering: How & Why Rocks W...  

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0:00 What is clay?
2:06 Where is clay found?
3:59 What is soil?
5:15 How soil forms
6:48 How clay forms
11:16 Clay minerals in different climates
14:08 Factors that control clay composition
17:23 Related videos & references

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