صورة الغلاف

Landscape evolution of continental-scale river systems : a case study of North America's pre-Pleistocene Bell River Basin /

This book explores the landscape evolution of the Paleo-Bell River, a vast ancient river system that once drained much of North America from the Cordilleran mountains to the Atlantic Ocean. The author, James W. Sears, delves into the geological and tectonic history of this river, its impact on the f...

وصف كامل

محفوظ في:
التفاصيل البيبلوغرافية
المؤلف الرئيسي: Sears, James W. (مؤلف)
التنسيق: الكتروني كتاب الكتروني
اللغة:الإنجليزية
منشور في: Amsterdam, Netherlands ; Cambridge, MA, United States : Elsevier, [2024]
سلاسل:Developments in earth surface processes ; 24.
الموضوعات:
Fluvial geomorphology > North America.
Géomorphologie fluviale > Amérique du Nord.
Fluvial geomorphology
North America
الوصول للمادة أونلاين:ScienceDirect
الوسوم: إضافة وسم
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جدول المحتويات:
  • Front Cover
  • Landscape Evolution of Continental-Scale River Systems
  • Landscape Evolution of Continental-Scale River Systems
  • Copyright
  • Contents
  • Acknowledgments
  • 1
  • Paleo-Bell River concept
  • Introduction
  • Paleo-Bell River drainage divides
  • Amazon River-The Paleo-Bell River's twin
  • Historical development of Paleo-Bell River concept
  • Detrital zircon geochronology
  • Transcontinental river systems have tectonically active headwaters
  • Concluding thoughts
  • References
  • 2
  • Paleo-Bell River delta in the Labrador Sea
  • Introduction
  • Location and extent of the delta
  • Hydrocarbon exploration of the delta
  • Age and tectonic origin of the Labrador Sea
  • Stratigraphy of the delta
  • Rise and fall of Western Interior and Hudson Seaways
  • Erosion of the delta by glacial ice-streams
  • Northwest Atlantic Mid-ocean channel
  • References
  • 3
  • Paleo-Bell River detrital-zircon sources
  • Introduction
  • Detrital-zircon U-Pb dates
  • Dates from the delta
  • Two phases of deposition
  • Bedrock sources for paleo-Bell delta zircons
  • Case study: Test of Colorado Plateau detrital zircon sources in delta at 34-18 million years
  • Comparison to other North American deposits
  • References
  • Further reading
  • 4
  • Paleo-Bell River captures the Great Basin
  • Introduction
  • Western Interior Seaway-template for the Paleo-Bell River
  • Tectonic setting
  • Early headwaters
  • Paleo-Missouri drainage basin, 59 to 18m.y.a.
  • The Great Basin
  • Basin and Range Province
  • Sixmile Creek Formation
  • Yellowstone hotspot
  • Summary
  • References
  • 5
  • Paleo-Bell River captures the Colorado Plateau
  • Introduction
  • Colorado Plateau connection
  • Williston Basin (1)
  • Crazy Mountains and Beartooth Plateau (2)
  • Bighorn Mountains and canyon (3)
  • Wind River Canyon (4)
  • Granite Mountains and Beaver Divide (5)
  • Great lakes of the Rockies (6)
  • Paleo-California River (7)
  • Browns Park graben (8)
  • Rio Grande rift valley (9)
  • Colorado Plateau (10)
  • Mogollon Rim (11)
  • Southern Cordilleran magmatic arc (12)
  • Triassic/Jurassic wind-blown sandstones (13, 17)
  • Chuska erg (14)
  • Little Colorado River (15)
  • Summary
  • References
  • Further reading
  • 6
  • Paleo-Bell River and early Grand Canyon
  • Introduction
  • Phase A. 59 to 58 million years ago: drainage to Labrador Sea
  • Phase B. 58 to 56 million years ago: sluggish rivers, diversion to Gulf of Mexico
  • Phase C. 55 to 43 million years ago: "Great Lakes of the Rockies"
  • Phase D. 42 to 38 million years ago: regional erosional planation of Laramide foreland
  • Phase E. 37 to 28 million years ago: Chuska erg sand dunes
  • Phase F. 28 to 16 million years ago: deep erosional dissection of early Grand Canyon and Colorado Plateau
  • Phase G. 16 to 6 million years ago: drainage reversal of Colorado Plateau

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