Input for Sedimentary Rock ID Lab_ Earth Science Laboratory_ 2023FA-GEOL-015L-101
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School
San Jose City College *
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Course
015L
Subject
Geology
Date
Dec 6, 2023
Type
Pages
14
Uploaded by ChiefPolarBearMaster994
10/9/23, 7:32 PM
Input for Sedimentary Rock ID Lab: Earth Science Laboratory: 2023FA-GEOL-015L-101
https://sjeccd.instructure.com/courses/38516/quizzes/257314
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Input for Sedimentary Rock ID Lab
Due
Oct 9 at 8:30pm
Points
40
Questions
25
Available
Aug 23 at 12am - Oct 10 at 11:59pm
Time Limit
None
Allowed Attempts
2
Attempt History
Attempt
Time
Score
LATEST
Attempt 1
9 minutes
13.5 out of 40 *
Score for this attempt:
13.5
out of 40 *
Submitted Oct 9 at 7:32pm
This attempt took 9 minutes.
Take the Quiz Again
1 / 1 pts
Question 1
1. What type of sediment is the sand?
Clastic
Correct!
Correct!
Chemical
Biochemical
1 / 1 pts
Question 2
2. What mineral makes up a large part of the sand?
10/9/23, 7:32 PM
Input for Sedimentary Rock ID Lab: Earth Science Laboratory: 2023FA-GEOL-015L-101
https://sjeccd.instructure.com/courses/38516/quizzes/257314
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biotite
halite
muscovite mica
quartz
Correct!
Correct!
0 / 2 pts
Question 3
3. Examine the sedimentary rocks in the
Sedimentary Visual Bank on the
GeoRockMe website
(https://seg.georockme.com/visual-bank)
(
https://seg.georockme.com/visual-bank
(https://seg.georockme.com/visual-bank)
. Examine the rocks in the “Mineral
Precipitates” group. Which groups in your textbook/lab is this equivalent to?
Clastic and biochemical
You Answered
You Answered
Biochemical and chemical
orrect Answer
orrect Answer
Chemical and clastic
Clastic
0 / 2 pts
Question 4
4. Examine the
GeoRockMe Sedimentary Rock Unknowns
(https://seg.georockme.com/unknowns)
(https://seg.georockme.com/unknowns). Which of the GeoRockMe unknown
rocks are clastic sedimentary rocks (A7 is one) and which are chemical or
biochemical sedimentary rocks? Remember to look at the descriptions in the
table above to help you identify them.
Clastic: A3, A7, A9; Chemical/biochemical: A1, A6, A11
orrect Answer
orrect Answer
10/9/23, 7:32 PM
Input for Sedimentary Rock ID Lab: Earth Science Laboratory: 2023FA-GEOL-015L-101
https://sjeccd.instructure.com/courses/38516/quizzes/257314
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Clastic: A1, A7, A11; Chemical/biochemical: A3, A6, A9
You Answered
You Answered
Clastic: A1, A3, A7; Chemical/biochemical: A6, A9, A11
Clastic: A6, A7, A9; Chemical/biochemical: A1, A3, A11
If you can see fossils in the rock, then it’s biochemical. If you can see
other pieces, then it’s clastic. Be sure to look at the other descriptions
in the table in the lab to help you.
0 / 2 pts
Question 5
5. Arrange the sediment sizes in the GeoRockMe unknown samples A3, A7,
and A9 from smallest to largest.
(smallest) A7, A9, A3 (largest)
orrect Answer
orrect Answer
(smallest) A7, A3, A9 (largest)
You Answered
You Answered
(smallest) A3, A9, A7 (largest)
(smallest) A3, A7, A9 (largest)
(smallest) A9, A3, A7 (largest)
(smallest) A9, A7, A3 (largest)
2 / 2 pts
Question 6
6. Examine the GeoRockMe unknown samples A1 and A11. In particular, pay
attention to whether they react with acid or scratch glass. Based on the
properties of the rocks and what you know of the properties of minerals
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10/9/23, 7:32 PM
Input for Sedimentary Rock ID Lab: Earth Science Laboratory: 2023FA-GEOL-015L-101
https://sjeccd.instructure.com/courses/38516/quizzes/257314
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(examine the Mineral lab to refresh your memory), what minerals make up
these two rocks?
A1 is made up of muscovite mica; A11 is made up of biotite mica
A1 is made up of calcite; A11 is made up of quartz
Correct!
Correct!
A1 is made up of plagioclase feldspar; A11 is made up of halite
1 / 3 pts
Question 7
7. Match the GeoRockMe unknown sample with the rock name.
A1
limestone
Correct!
Correct!
A3
chert
You Answered
You Answered
conglomerate
Correct Answer
Correct Answer
A6
coal
Correct!
Correct!
A7
sandstone
You Answered
You Answered
shale
Correct Answer
Correct Answer
A9
conglomerate
You Answered
You Answered
sandstone
Correct Answer
Correct Answer
10/9/23, 7:32 PM
Input for Sedimentary Rock ID Lab: Earth Science Laboratory: 2023FA-GEOL-015L-101
https://sjeccd.instructure.com/courses/38516/quizzes/257314
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A11
shale
You Answered
You Answered
chert
Correct Answer
Correct Answer
0 / 1 pts
Question 8
8. What is Rock 5 in your
Rock Lab kit
?
limestone
conglomerate
You Answered
You Answered
shale
sandstone
orrect Answer
orrect Answer
0 / 1 pts
Question 9
9. What is Rock 7 in your
Rock Lab kit
?
limestone
You Answered
You Answered
conglomerate
shale
orrect Answer
orrect Answer
sandstone
10/9/23, 7:32 PM
Input for Sedimentary Rock ID Lab: Earth Science Laboratory: 2023FA-GEOL-015L-101
https://sjeccd.instructure.com/courses/38516/quizzes/257314
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0 / 1 pts
Question 10
10. My colleague took this picture in upstate New York, and there is a
quarter in it for scale. What rock is shown in the picture?
sandstone
shale
orrect Answer
orrect Answer
limestone
You Answered
You Answered
conglomerate
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Look at the color and the size of the sediments.
0 / 1 pts
Question 11
11. My colleague took this picture of tiles. What rock makes up these tiles?
sandstone
shale
limestone
orrect Answer
orrect Answer
conglomerate
You Answered
You Answered
10/9/23, 7:32 PM
Input for Sedimentary Rock ID Lab: Earth Science Laboratory: 2023FA-GEOL-015L-101
https://sjeccd.instructure.com/courses/38516/quizzes/257314
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Which type of rock is made up of fossils?
0 / 1 pts
Question 12
12. Match the
GeoRockMe Sedimentary unknown rocks
(https://seg.georockme.com/unknowns)
with the environment in which the
sediments that make up that rock were deposited.
desert or beach
A7
You Answered
You Answered
A9
Correct Answer
Correct Answer
shallow, muddy ocean
A1
You Answered
You Answered
A7
Correct Answer
Correct Answer
coral reef
A3
You Answered
You Answered
A1
Correct Answer
Correct Answer
River valley
A6
You Answered
You Answered
A3
Correct Answer
Correct Answer
swamp
A9
You Answered
You Answered
10/9/23, 7:32 PM
Input for Sedimentary Rock ID Lab: Earth Science Laboratory: 2023FA-GEOL-015L-101
https://sjeccd.instructure.com/courses/38516/quizzes/257314
9/14
A6
Correct Answer
Correct Answer
2 / 2 pts
Question 13
13. What is an interpretation you can make about GeoRockMe unknown
rock A1 based on your observations?
Fizzes with acid
Made up of sand-sized pieces
Area was once a shallow ocean
Correct!
Correct!
Area was once a beach
Clastic sedimentary rock
Contains fossils
0 / 2 pts
Question 14
14. What is an interpretation you can make about Rock 5 in your rock kit
based on your observations?
Dark colored
Made up of sand-sized pieces
Area was once a shallow ocean
orrect Answer
orrect Answer
Area was once a beach
You Answered
You Answered
Bioclastic sedimentary rock
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Contains fossils
Remember that interpretations are why you can figure out. When you
hold the rock and look at it, you cannot see the interpretation.
Not yet graded / 1 pts
Question 15
Your Answer:
15. What “sediments” did you use to make your piles?
Sand, eroded soil
Not yet graded / 1 pts
Question 16
Unanswered
Unanswered
16. Take a picture of one of your piles and upload it here.
0 / 2 pts
Question 17
Unanswered
Unanswered
17. What was the average angle for sediment #1 (rounded to the nearest
degree with no decimal places)?
The average angle is _____ degrees.
You Answered
You Answered
orrect Answers
orrect Answers
Between 10 and 60
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Input for Sedimentary Rock ID Lab: Earth Science Laboratory: 2023FA-GEOL-015L-101
https://sjeccd.instructure.com/courses/38516/quizzes/257314
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0 / 2 pts
Question 18
Unanswered
Unanswered
18. What was the average angle for sediment #2 (rounded to the nearest
degree with no decimal places)?
The average angle is _____ degrees.
You Answered
You Answered
orrect Answers
orrect Answers
Between 10 and 60
0.5 / 1 pts
Question 19
19. What might cause the angles of the two piles of sediment to be different?
Check all that apply.
How round or angular the sediments are (called rounding)
orrect Answer
orrect Answer
How similar in size the sediments are (called sorting)
Correct!
Correct!
The size of the sediments
Correct!
Correct!
Errors in measuring the exact angle
orrect Answer
orrect Answer
1 / 1 pts
Question 20
20. What do the rocks tell us Arizona was like hundreds of millions of years
ago?
Desert
10/9/23, 7:32 PM
Input for Sedimentary Rock ID Lab: Earth Science Laboratory: 2023FA-GEOL-015L-101
https://sjeccd.instructure.com/courses/38516/quizzes/257314
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Shallow ocean
Correct!
Correct!
Stream channel
Swamp
1 / 1 pts
Question 21
21. Look at the time that the rocks formed and canyon formed. What did this
area look like hundreds of millions of years ago?
Canyon
Flat area
Correct!
Correct!
2 / 2 pts
Question 22
22. Examine the angle for the walls of the Grand Canyon in the picture. Why
do you think they are steeper than what you measured for your piles of
sediment?
The walls formed through natural processes, not through people
The walls formed as solid rock layers were directly deposited around the
canyon
The walls are made from solid sedimentary rock, not from sediments
Correct!
Correct!
0 / 1 pts
Question 23
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23. Examine the GeoRockMe Sedimentary Rock unknown samples A7 and
A9. Watch the video where he drops a couple drops of acid on these two
rocks and observe what happens to the drops. Which rock would contain
more groundwater and why?
Rock A7 because the water sat on the surface of the rock.
Rock A9 because the water sat on the surface of the rock.
You Answered
You Answered
Rock A7 because the water soaked into the spaces between the sediments in
the rock.
Rock A9 because the water soaked into the spaces between the sediments in
the rock.
orrect Answer
orrect Answer
2 / 2 pts
Question 24
24. What bedrock would be most useful to drill into, to remove groundwater
that it contains within it?
shale
sandstone
Correct!
Correct!
gypsum
granite
Not yet graded / 4 pts
Question 25
Unanswered
Unanswered
10/9/23, 7:32 PM
Input for Sedimentary Rock ID Lab: Earth Science Laboratory: 2023FA-GEOL-015L-101
https://sjeccd.instructure.com/courses/38516/quizzes/257314
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Your Answer:
25. Answer one of these questions using 3-5 sentences: What surprised you
most when you were completing this lab? OR What did you find most
interesting when completing this lab? OR How did information in this lab
relate to something you knew previously?
Quiz Score:
13.5
out of 40