Podcast
Questions and Answers
What do sedimentary rocks preserve?
What do sedimentary rocks preserve?
- History only
- Clues about the environment only
- A record of history (correct)
- Organic materials only
What does stratification refer to in sedimentary rock?
What does stratification refer to in sedimentary rock?
- The movement of sediment grains
- The process of erosion
- The process of making strata (correct)
- The breaking down of sedimentary layers
What structures provide clues about the environment where sedimentary rocks formed?
What structures provide clues about the environment where sedimentary rocks formed?
- Graded bedding and cross-bedding (correct)
- Fossils and minerals
- Strata and mud cracks
- Ripple marks and ice deposits
How do sedimentary rocks form?
How do sedimentary rocks form?
What is the term used to describe the layering found in sedimentary rock?
What is the term used to describe the layering found in sedimentary rock?
What natural forces move sediment grains around before they settle?
What natural forces move sediment grains around before they settle?
What do sedimentary rocks contain besides bits of pre-existing rocks or minerals?
What do sedimentary rocks contain besides bits of pre-existing rocks or minerals?
What do changes in color in sedimentary rocks indicate?
What do changes in color in sedimentary rocks indicate?
What can be inferred from the presence of rounded grains in sedimentary rocks?
What can be inferred from the presence of rounded grains in sedimentary rocks?
What is the significance of graded bedding in sedimentary rocks?
What is the significance of graded bedding in sedimentary rocks?
What does cross-bedding reveal about the environment in which sedimentary rocks originated?
What does cross-bedding reveal about the environment in which sedimentary rocks originated?
What can be inferred from the presence of ripple marks in sedimentary rocks?
What can be inferred from the presence of ripple marks in sedimentary rocks?
What is the significance of mud cracks in sedimentary rocks?
What is the significance of mud cracks in sedimentary rocks?
How can studying layers of sedimentary rocks help infer clues about their origin?
How can studying layers of sedimentary rocks help infer clues about their origin?
What does graded bedding in sedimentary rocks indicate about the age of rocks within a sequence?
What does graded bedding in sedimentary rocks indicate about the age of rocks within a sequence?
