6. What is the order in which foliated metamorphic rocks form? What is the parent rock for foliated metamorphic rocks? Slate, phyllite, schist, gneiss. Shale or slitestone.
Earth Science 11; Geologic Time Unit Review Multiple Choice 1) An unconformity is a buried ________. A) fault or fracture with older rocks above and younger rocks below B) surface of erosion separating younger strata above from older strata below C) fault or fracture with younger strata above and older strata below D) surface of erosion with older strata above and younger strata below Answer: B 2) The white arrow in this cross-section points to an unconformity (black line). What kind of unconformity is it? A) disconformity B) angular unconformity C) nonconformity D) dike Answer: B 3) A datable mineral crystal contains 40% parent isotope. How many half-lives have passed since the crystal formed?
There is a convergent boundary on the west side of the United States. At a convergent boundary, two plates collide, and the denser plate is subducted. Volcanoes and earthquakes are common as a result of pressure and friction. There is also a transform boundary forming the San Andreas Fault which is between an oceanic plate subducting under a continental plate. 3.
D) Phases are often shown for each compound but are not critical to balancing an equation. E) All of the above statements (a-d) are true. 8. Which of the following statments is not true of balancing a chemical equation? A) Subscripts in the reactants must be conserved in the products.
Describe two recent discoveries of transuranic elements explaining how they were produced. Firstly what is a transuranic element? Transuranic elements are elements with an atomic number above that of uranium with atomic number Z= 92. All transuranic elements are radioactive. The process of changing one element into another is called transmutation.
Theory 1: Tension forces a) Tension forces act on the layers of rock. b) Gradually two parallel faults appear and the central block begins to subside (sink). c) Land in between sinks in forming a rift valley. The land on either sides stays in place. After subsidence a depression with steep fault scarp sides i.e.
Explain how metallic bonding gives metals their unique properties. ________________________________________________________________ ________________________________________________________________ 9. Describe how covalent and ionic bonds differ with regard to melting point, boiling point, and bond strength. ________________________________________________________________ ________________________________________________________________ 10. Explain the difference between polar covalent and nonpolar covalent bonds.
Observations: Quantitative & Qualitative Data Table Table 1: Solubility Qualitative data: Substances | Time (s) | Soluble or not? (Yes/No) | X | 42 | Yes | Y | 63 | Yes | Z | >180 | No | Table 2: Appearance of the substances while melting Substance X- White rocky powdery dots Qualitative data: Time (s) | Physical appearance of substance X | 10 | White powder dots | 26 | White powder dots | 44 | White powder dots | 55 | White powder dots | 65 | The color of the white powder dots changes to brown powder dots | 82 | Starts to melt a tiny bit | 107 | It stops melting, and there are still white powder left | 125 | Stays as white powder, no melting | 155 | White powder dots, nothing happens | 178 | White powder dots, no melting | 183 | White powder dots, nothing happens | 207 | A few of the tiny white dots starts to melt again | 230 | The white powder stops finally stay still | Table 3: Appearance of the substances while melting Substance Y- White crystal dots Qualitative data: Time (s) | Physical appearance of substance Y | 3 | White crystal dots | 20 | White crystal dots, no change | 40 | White crystal dots, no physical change
What do earthquake swarms indicate? (page 94, para 2 to page 95) Earthquake swarms indicate that new fractures were forming. Swarms can be used as an early indication that magma from a storage zone is being injected into the rifts were these new fractures are happening. 3. What is "summit deflation"?
| VEBLENS AND HYDRODYNAMIC BLOWOUTS IN NORTH DAKOTA by John P. Bluemle | Small hills found in some parts of southeastern North Dakota have a superficial resemblance to volcanoes, and the way they formed is somewhat analogous to volcanic processes. The features, known informally as "veblens," formed as a result of geologic processes known as hydrodynamic blowouts. You probably haven't heard of veblens. Veblens are not the result of molten rock erupting upward from the earth's interior as is the case with volcanoes. In fact, no heat was involved.