Two sinkholes have appeared in the Surrey village of Godstone, but how have they formed and are they dangerous?

Geology and life have entwined throughout Earth's history ... amazing sarsen stones – big blocks of quartz-cemented sandstone that sit in the chalk landscape of the UK. “Famously they were used by ...

Humans abstract (remove) water from rivers to use in our homes, farms and industries. In areas of the UK with a chalk geology we often extract water from the ground (i.e. groundwater) for domestic ...

For example: The soft rock is made of clay and sands, and the hard rock is chalk and limestone ... Key fact Coastlines where the geology alternates between strata (or bands) of hard rock and ...

Dr Andrew Farrant, British Geological Survey regional ... They are common in the UK because of the abundance of limestone and chalk rock and historic mining activities. Limestone and chalk are ...