The Norber Erratics on the slopes of Ingleborough are great examples of glacial erratic boulders. The lower rock unit is Lower Carboniferous limestone & is in place. On the 'pedestal' is a boulder of darker Silurian sandstone (~100M years older), deposited by melting ice sheets.
6
68
347
Replies
The ice sheets we present after the final Quaternary glaciation i.e. during the ice age.
2
0
6
@BritGeoSurvey
How do you know it's an erratic and not a practice for
#stonehenge
? Asking for a friend who's a
#hydrogeologist
1
0
1
@BritGeoSurvey
@Jamie_Woodward_
Transmitted to FRUMMIUS BRANDERSNATCH, to enrch his Emver Hodja Collection, Ages long time ago gone by the wind...
0
0
0
@BritGeoSurvey
@Jamie_Woodward_
This makes me wonder if some dolmens in Northern Europe or Ireland may have been made to replicate the natural forms and not solely eroded earthen mound remnants. I could see folks wanting to replicate the balancing act of ancient giants or gods.
0
0
0