Concretions Can Form Rapidly

The spherical inclusions inside geological layers do not take millions of years to form, Japanese scientists say. Concretions are eye-catching. Varying in size from peas to cannonballs, the almost perfectly spherical balls that erode out of geological layers seem almost too perfect to be natural. Science Daily indicates that scientists, not only laypersons, are mystified […]

Navajo Sandstone Dates Are Incoherent

Can concretions really be 190 million years younger than the rock in which they are embedded?
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