Worksheet with Tectonic Environments and Melting Causes
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Worksheet with Tectonic Environments and Melting Causes
Chapter 5 Investigation Lesson 4 Assignment
Name:
Complete all of the questions. See the textbook for instructions on how to complete this worksheet (Chapter 5 Investigation, pages 136-137).
Table 1: Melting Melting Melting Melting Melting Melting Melting Melting Melting Melting Melting Melting Melting Melting Melting Melting Melting Melting Melting Melting MeltingIdentify the following for each place on figure 5.15.a1 in the textbook’s Chapter 5 Investigation (also page 3 of this worksheet):
the type of plate border or another setting that has been used. Oceanic divergent, continental rift, ocean-ocean convergent, ocean-continent convergent, continental collision, (6) hot spot in an ocean, or (7) hot spot in a continent are all possibilities. This section does not have any of these settings;
the most common reason for melting (1) Decompression melting beneath a mid-ocean ridge or near a rising mantle plume, (2) melting along a subduction zone by adding water, and (3) melting of continental crust produced by an influx of mantle-derived magma are the three choices. A location could be affected by more than one of these factors.
Highlight the phrase or change it to Bold print to help you remember your answers. [ ten marks ]
Featured Site’s Name
Plate Boundary or Other Feature Type (circle the best answer)
Melting’s Most Likely Cause
(circle everything that applies)
A sequence of islands in a straight line
(a) oceanic divergent; (b) ocean-ocean convergent; (c) ocean-continent convergent; (d) ocean-continent convergent; (e) ocean-continent convergent; (f) ocean-continent convergent; (g) ocean-continent convergent; (h) ocean-continent convergent;
(a) melting induced by an influx of mantle-derived magma, (b) melting generated by adding water along a subduction zone, and (c) melting of the continental crust caused by decompression melting as the mantle rises.
B
Calderas are circular volcanic depressions.
a continental rift, b ocean-continent convergence, c continental collision, d a continent’s hot point
(a) melting induced by an influx of mantle-derived magma, (b) melting generated by adding water along a subduction zone, and (c) melting of the continental crust caused by decompression melting as the mantle rises.
edge in the middle of the ocean(a) oceanic divergent, (b) ocean-ocean convergent, (c) ocean-continent convergent, (d) ocean-continent convergent (d) a hotspot in the sea (a) melting induced by an influx of mantle-derived magma, (b) melting generated by adding water along a subduction zone, and (c) melting of the continental crust caused by decompression melting as the mantle rises.
D Magmatic arc on the continent
a continental rift, b ocean-continent convergence, c continental collision, d a continent’s hot point
(a) melting induced by an influx of mantle-derived magma, (b) melting generated by adding water along a subduction zone, and (c) melting of the continental crust caused by decompression melting as the mantle rises.
Arc of the E Island
(a) oceanic divergent, (b) ocean-ocean convergent, (c) ocean-continent convergent, (d) ocean-continent convergent (d) a hotspot in the sea (a) melting induced by an influx of mantle-derived magma, (b) melting generated by adding water along a subduction zone, and (c) melting of the continental crust caused by decompression melting as the mantle rises.
Table 2: Rock Sample Characterization
Choose the answer that best describes the rock’s texture, composition, name, and interpreted cooling and solidification history for each of the samples. [ 36 / 100 ]
Size of Crystals or Other Texture
(circle everything that applies
Composition
Name of Rock (circle one)
History of Cooling and Solidification (circle one) (circle one)
1 a) huge crystals, b) medium-sized crystals, c) no visible crystals but vesicular, d) no visible crystals but vesicular porphyritic (e) felsic (a) felsic (b) felsic (c) fel
(b) the middle
(a) granite (c) mafic
rhyolite (b)
c) basalt (a) slow cooling, (b) moderate cooling, (c) quick cooling, (d) slow then fast cooling, (e) slow cooling in the presence of water
2 (a) huge crystals, (b) medium-sized crystals, (c) no visible crystals that are not vesicular, (d) no visible crystals that are vesicular (a) felsic (e) porphyritic
(b) the middle
(a) granite (c) mafi
b) tuff or rhyolite
c) basalt (a) slow cooling, (b) moderate cooling, (c) quick cooling, (d) slow then fast cooling, (e) slow cooling in the presence of water
3 (a) huge crystals, (b) medium-sized crystals, (c) no visible crystals and not vesicular, (d) pumice pieces that are flattened (a) felsic (e) porphyritic
(b) the middle
(a) welded tuff (c) mafic
basalt (b)
gabbro (c)
(a) slow cooling, (b) moderate cooling, (c) quick cooling, (d) slow then fast cooling, (e) sluggish cooling in the presence of water
4 a) huge crystals, b) medium-sized crystals, c) no visible crystals but vesicular, d) no visible crystals but vesicular porphyritic (e) felsic (a) felsic (b) felsic (c) fel
(b) the middle
b) the mafic
basalt (a)
scoria (b) scoria (c) scoria (d) sco
c) pegmatite (a) slow cooling, (b) moderate cooling, (c) quick cooling, (d) slow then fast cooling, (e) slow cooling in the presence of water
5 huge crystals, medium-sized crystals, no visible crystals and not vesicular, no visible crystals but vesicular porphyritic (e) felsic (a) felsic (b) felsic (c) fel
(b) the middle
(a) andesite (c) mafi
gabbro (b)
c) pumice stone
(a) slow cooling, (b) moderate cooling, (c) quick cooling, (d) slow then fast cooling, (e) sluggish cooling in the presence of water
6 a) huge crystals, b) medium-sized crystals, c) no visible crystals but vesicular, d) no visible crystals but vesicular porphyritic (e) felsic (a) felsic (b) felsic (c) fel
(b) the middle
(a) pegmatite (c) mafic
basalt (b)
welded tuff (a) slow, (b) moderate, (c) fast, (d) slow then fast (e) cooling at a slow rate in the presence of water
7 (a) large crystals, (b) medium-sized crystals, (c) no visible crystals that aren’t vesicular, (d) no visible crystals that are vesicular porphyritic (e) felsic (a) felsic (b) felsic (c) fel
(b) the middle
(a) mafic between granite and diorite (c) mafic between granite and diorite
rhyolite (b)
scoria (c) scoria (d) scoria (e) scor
(a) slow cooling, (b) moderate cooling, (c) quick cooling, (d) slow then fast cooling, (e) sluggish cooling in the presence of water
8 a) huge crystals, b) medium-sized crystals, c) no visible crystals but vesicular, d) no visible crystals but vesicular porphyritic (e) felsic (a) felsic (b) felsic (c) fel
(b) the middle
(a) andesite (c) mafic
(b) abrasive
obsidian (c)
a) slow cooling, (b) moderate cooling, (c) quick cooling, (d) slow then fast cooling, (e) sluggish cooling in the presence of water
9 a) huge crystals, b) medium-sized crystals, c) no visible crystals but vesicular, d) no visible crystals but vesicular porphyritic (e) felsic (a) felsic (b) felsic (c) fel
(b) the middle
b) the mafic
basalt (a)
gabbro (b)
rhyolite (a) slow, (b) moderate, (c) fast, (d) slow then fast (e) cooling at a slow rate in the presence of water
Igneous Rock Environments (Table 3)
Record the right Plate Tectonic Setting and the name of an igneous rock that would most likely be generated at each of the sites listed below. NB: The rock name should correspond to the texture. [ 14 marks ]
Rock Name Location Texture Plate Tectonic Setting
Islands of the Eastern Caribbean (Lesser Antilles)
Intrusive
Yellowstone National Park is a national park in the United States.
Extrusive
Guatemala and western Mexico
Extrusive
Rift Valley of East Africa
Intrusive
The Solomon Islands are a group of islands in the Pacific
Extrusive
Iceland
Intrusive
The Cascade Range is a mountain range in the United States.Intrusive
60 points totalWorksheet with Tectonic Environments and Melting Causes
RUBRIC
Excellent Quality
95-100%
Introduction 45-41 points
The background and significance of the problem and a clear statement of the research purpose is provided. The search history is mentioned.
Literature Support
91-84 points
The background and significance of the problem and a clear statement of the research purpose is provided. The search history is mentioned.
Methodology
58-53 points
Content is well-organized with headings for each slide and bulleted lists to group related material as needed. Use of font, color, graphics, effects, etc. to enhance readability and presentation content is excellent. Length requirements of 10 slides/pages or less is met.
Average Score
50-85%
40-38 points
More depth/detail for the background and significance is needed, or the research detail is not clear. No search history information is provided.
83-76 points
Review of relevant theoretical literature is evident, but there is little integration of studies into concepts related to problem. Review is partially focused and organized. Supporting and opposing research are included. Summary of information presented is included. Conclusion may not contain a biblical integration.
52-49 points
Content is somewhat organized, but no structure is apparent. The use of font, color, graphics, effects, etc. is occasionally detracting to the presentation content. Length requirements may not be met.
Poor Quality
0-45%
37-1 points
The background and/or significance are missing. No search history information is provided.
75-1 points
Review of relevant theoretical literature is evident, but there is no integration of studies into concepts related to problem. Review is partially focused and organized. Supporting and opposing research are not included in the summary of information presented. Conclusion does not contain a biblical integration.
48-1 points
There is no clear or logical organizational structure. No logical sequence is apparent. The use of font, color, graphics, effects etc. is often detracting to the presentation content. Length requirements may not be met
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Worksheet with Tectonic Environments and Melting Causes