Are buried organisms decay completely without becoming a mineralized leaving behind an empty space the empty space is called a mold, is in the shape of the decayed organism. More sediment may fill in the space and harden creating a cast the cast is a copy of the original organism molds and casts are often found still joined together
Molds and casts
Yes, buried organisms can undergo decay completely without becoming mineralized, leaving behind an empty space. This empty space is called a mold, and it is in the shape of the decayed organism. The mold can be created by a variety of processes, such as physical or chemical weathering, dissolution, or other forms of decay.
When the mold is formed, more sediment may fill in the space and harden, creating a cast. The cast is a copy of the original organism, and it can provide valuable information about the morphology and structure of the organism. Molds and casts are often found still joined together, and they can be used to reconstruct the original organism’s shape and size.
It is worth noting that not all organisms leave behind molds and casts when they undergo decay. In some cases, the organism may be completely mineralized, leaving behind a fossil that retains the original shape and structure of the organism. In other cases, the organism may simply decompose and leave no trace behind. The formation of molds and casts depends on a variety of factors, including the type of organism, the conditions of burial and preservation, and the geological processes that occur over time.
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