Why not? This doesn't follow. If there was a global flood, regardless of anything else, we would expect to find a layer in the geologic column that contains the deposited detritus and whatnot from the flood.
Not necessarily. You see the flood was masterminded by the all intelligent creator. If even you devised a plan for life on earth to end, would you not include some mechanism for assuring that the dead remains were properly disposed of? I hear that the commies in the revolution used things like acid to try to destroy remains. I notice that there is a worldwide thin layer of powder like stuff (iridium). I notice that iridium has interesting properties. Could it be possible that it was a remnant of some former state reactive process that disposed of organic matter?! Now it seems apparent from the fossil record and evidences that man and most creatures could not have fossilized in the former state anyhow. One assumes the decay processes on corpses was lightning fast at the time. (?)
Nevertheless we still had a world full of life and even some creatures that were of the sort that they did leave remains. So God likely needed some process that would dispose of all this organic matter cleanly and efficiently.
"The most important iridium compounds in use are the salts and acids it forms with
chlorine, though iridium also forms a number of
organometallic compounds used in industrial
catalysis, and in research."
"Iridium is one of the nine least abundant
stable elements in Earth's crust.."
https://en.wikipedia.org/wiki/Iridium
"Organometallic chemistry combines aspects of
inorganic chemistry and
organic chemistry..."
https://en.wikipedia.org/wiki/Organometallic_chemistry
"
Organic chemistry is a
chemistry subdiscipline involving the
scientific study of the structure, properties, and reactions of
organic compounds and
organic materials, i.e., matter in its various forms that contain
carbonatoms.
[1][2] Study of structure includes many physical and chemical methods to determine the
chemical composition and the
chemical constitution of organic compounds and materials. Study of properties includes both
physical properties and
chemical properties, and uses similar methods as well as methods to evaluate
chemical reactivity, with the aim to understand the behavior of the organic matter in its pure form (when possible), but also in solutions, mixtures, and fabricated forms. The study of
organic reactions includes probing their scope through use in preparation of target compounds (e.g.,
natural products,
drugs,
polymers, etc.) by
chemical synthesis, as well as the focused study of the
reactivities of individual organic molecules, both in the laboratory and via theoretical (
in silico) study."
https://en.wikipedia.org/wiki/Organic_chemistry
Not too hard to connect the dots here..!