Geologen haben aus Colorado starke Beweise dafür gefunden, dass vor Hunderten von Millionen Jahren riesige Gletscher die Erde bis zum Äquator bedeckten

>“These are classic geological features called injectites that often form below some ice sheets, including in modern-day Antarctica,” Courtney-Davies said.

If you’d like to learn more about clastic dykes (dikes) / injectites, Skye Cooley has some excellent articles:

https://www.skyecooley.com/blog/categories/injectites for example: [
Sheeted Clastic Dikes in the Megaflood Region](https://www.skyecooley.com/single-post/2020/09/15/sheeted-clastic-dikes-in-the-megaflood-region)

I was about to say that I thought this was common knowledge but realized the wording. Ice age was 10,000 or so years ago.

It’s scary how fast an ice age can happen.