* Time Period: Coal forms from the remains of ancient plants and trees that lived in swampy environments millions of years ago. This was long before the evolution of humans. Humans evolved much later, around 300,000 years ago, while coal formation typically occurred between 300 million and 66 million years ago.

* Fossil Formation Conditions: Fossil formation requires specific conditions. Typically, remains need to be buried quickly under sediment, preventing decomposition. Swamps, where coal forms, tend to have acidic conditions that would break down bones.

* Human Remains vs. Plant Material: Coal is primarily composed of carbonized plant matter. Human remains are made of different materials (bone, teeth) that wouldn't contribute to coal formation.

* Location: While there are locations where coal and human fossils are found in the same general region, the layers of rock containing them are usually separated by vast amounts of time and geological processes.

In summary, the time periods for coal formation and human evolution are vastly different, and the conditions necessary for fossil formation are not conducive to preserving human remains in coal deposits.