Polystrate Rock

Answer by John Mackay

What is polystrate?

The word itself is easy: poly as in many, strate, as in layers or strata.  Therefore, polystrate means “many layers” and usually refers to fossils that protrude though one or more layers.  Here is a classic example of such a tree in Kentucky coal fields near town of Hazard

But the real surprise comes when you ask the question: How thick does a layer have to be?
Note the small branch protruding vertically through the one strata we have extracted.

Next consider the vertical fern leaf fossil which is at right angle to the layers with the rest of the fern fossils in.

Gayndah polystrate

This fern no more than 2 cm in size, yet it goes vertically through the rock, so it is polystrate also. Now consider the example below which we dug up at Jurassic Ark late July 2021.

Now note across mid bottom of picture the top surface of a horizontal petrified log. Then find the horizontal bedding layers in the excavated sandstone wall above the log.

Now find the vertical surface of black stone mid picture right angles to the horizontal bedding layers in the sandstone.  Here’s a closer view below showing clear horizontal bedding in sandstone with a vertical section of the black stone, which is about 3cm (1.2 inches) tall.

To the left side middle in close up below, note what appears to be a Y shaped plant fragment lying on its side. Notice it crosses many layers, or strata, of sand grains in the stone.

Conclusion: any object laid down in a sedimentary rock, where the object is thicker than the grain size is polystrate.

It’s a small point but an important point first pointed out by British Geology Professor Derek Ager that all macroscopic fossils, i.e. ones you can see with the naked eye, are polystrate. 

Now for you to think about. This observation also means that strata do not form one on top of the other, but flow en masse sideways. Ponder why?  Because that is why evolutionists hate the existence of polystrate fossils since they undermine the basic assumptions of the geologic column that the rock layers got there one on top of the other.
See our research on strata formation Rock Layers Form Fast Updates – Creation Research.

Now for a real test: Can you determine which way the water flowed across this section?

About The Contributor