Slide 1Grand Canyon Rocks Investigation 3 Earth History Grade 6 Slide 2 Samples Geologists take rock samples (small, representative pieces) to gather information about the…

Slide 1Geologic History Slide 2 Geologic Time Scale Slide 3 Chart of Earths history showing events, time units, & ages Era: the four largest subdivisions of the geologic…

1. ByRahul sinha 2. •What are joints?•Terminology related to joints•Classification•Engineering considerations 3. What are joints?•Joints may be defined as the fractures…

Slide 1 Plate boundaries II extension Slide 2 Increasing heat causes uplift and fault development, which in turn creates steep- sided valleys bounded by faults. A variety…

Slide 1 The EAST NICHOLAS RANGE An oddity A presentation By David Leaman Slide 2 Slide 3 SECRETS DEPEND ON ORIGINS An understanding of just how and why the Nicholas Range…

Slide 1 Slide 2 Question of the Day Question: How do we know that continents move? Answer: ……… Turn In: Label the Earth Worksheet (blue) Slide 3 Evidence for Plate…

Slide 1 New Zealand EarthquakeEarthquake M 6.3 earthquake Shallow epicenter: 2- 3 miles Close to Christchurch, city of 370,000 After shock to the September 4 th M 7.1 Slide…

History of Plate Tectonics How can we prove plate tectonics? LO: evaluate scientific evidence Starter: what is happening in the image? Good Judgement-what info do I need?…

Geology 3120 - Unconformities and Contacts Outline The âcontactâ that started it all⦠Steno, Hutton, and Lyell Conformities and Unconformities The Grand Canyon and Contact…

PowerPoint Presentation Sedimentary Rocks, Fossils & Relative Dating Techniques How do geologists know about events like the extinction of the dinosaurs and what the…