Simplify the following text for a Grade 11 native English-speaking person.
Original: Smith , known as the Father of English Geology , created the first geologic map of England , and first recognized the significance of strata or rock layering , and the importance of fossil markers for correlating strata .
Simplified: Smith , known as the Father of English Geology , created the first geological map of England . He first recognized the significance of strata or rock layering , and the importance of fossil markers for correlating strata .