Description

Ohio's bedrock reveals a rich story of the ancient landscapes and animals, massive meat-eating reptiles, footlong clams and lumbering mammoths. Roadside Geology of Ohio helps you discover it all.

Ключевые факты

• 25 road guides—complete with 172 photographs and 59 maps and figures—lead you from one corner of the state to the other
• Road guides take you from the flat till plains of the west to the hilly eastern Allegheny Plateau, and from the Ohio River valley to the Lake Erie shoreline
• Clear writing explains how caverns and disappearing streams form in karst, and why mud cracks, ripple marks and cross-bedding layers are entombed in sedimentary rock
• Also details how grooves up to 10 ft. deep were gouged into the limestone of Kelleys Island
• Learn how Ohio's present landscape was shaped by fluctuating seas full of marine life, widespread floodplains and rivers choked with sediment, and mile-thick ice sheets
• Explore the human side of Ohio's geologic tale, learning about how Native Americans fashioned razor-sharp flint spear points and how oil, gas and coal fueled economic booms
• Discover how sandstone and limestone built communities and thriving economies