You have 30 seconds to look at the following words. Now close your books and let's write a spelling dictation. Now look at the diagram (R. P.-4.4, 4.5)
Date: 2015-10-07; view: 416.
Spelling dictation
Match the term with the definition.
| 1. crystallization | 6. diagenesis |
| 2. weathering | 7. metamorphism |
| 3. deposition | 8. compression |
| 4. erosion | 9. thermal conductivity |
| 5. compaction | 10. alteration |
| a. | a system of external forces that tends to shorten a body or decrease in volume. |
| b. | changes in the chemical or mineralogical composition of a rock |
| c. | destructive natural processes by which rocks are altered with little or no transport of the fragmented or altered material |
| d. | the sum of all changes – physical, chemical and biological – to which a sediment is subjected after deposition |
| e. | the property of transmitting heat |
| f. | the wearing away of any part of the Earth's surface by natural agencies |
| g. | the gradual formation of crystals from a solution or a melt |
| h. | the processes which produce structural and mineralogical changes in any type of rock in response to physical and chemical conditions differing from those under which the rocks originally formed |
| i. | the decrease in pore space of a sediment and consequent reduction in volume or thickness |
| j. | any sort of earth material that has been accumulated through the action of wind, water, ice or other agents |
| transportation | melting | residual |
| deposition | reworking | heterogeneity |
| sedimentation | weathering | metamorphism |
| compaction | sequence | |
| cementation | igneous | |
| succession | sedimentary | |
| recrystallization | extrusive | |
| erosion | intrusive | |
| differentiation | magma | |
| fusion | cycle | |
| lithification | ||
| deformation | ||
| granulation | ||
| fractionation |
2.4 Read the following definition and fill in the gaps with the missing words and then give a short outline of this definition. (R.P – 8.2.12)
