What type of weathering has created the onion-like layers in the rocks in the below picture? 
Definitions:
Gender Difference
Variations in characteristics, behaviors, physical and mental health patterns, and perspectives between male and female individuals.
Chess Configurations
Describes the specific arrangement or positioning of pieces on a chessboard during the course of a game.
Chess Game
is a two-player strategy board game played on a checkered board with 64 squares arranged in an 8×8 grid, involving tactical and strategic thinking.
Expert and Novice
A distinction in skill level and understanding between individuals; experts possess a high level of knowledge and competence in a particular domain, while novices have limited experience and proficiency.
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