Fossils B/C

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dchen22
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Re: Fossils B/C

Post by dchen22 »

Specimen A
Image
Specimen B
Image

1. Identify specimens A and B.
2. What are the diagonal bands in specimen A?
3. What unique property does specimen B have?
4. Specimen A is found above specimen B. What event is this evidence of?
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Re: Fossils B/C

Post by BennyTheJett » 

1) Specimen A looks like a sandstone. Specimen B looks like a shale.

2) I think you're looking for varve banding?

3) The shale displays fissility 

4)Marine Regression // A is younger than B.
LMAO I'm struggling on 2 and 3.
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Re: Fossils B/C

Post by dchen22 »

BennyTheJett wrote: ↑February 3rd, 2020, 12:36 pm 
1) Specimen A looks like a sandstone. Specimen B looks like a shale.

2) I think you're looking for varve banding?

3) The shale displays fissility 

4)Marine Regression // A is younger than B.
LMAO I'm struggling on 2 and 3. 
For 2., the answer is Liesegang banding. (It is a side view.)
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Re: Fossils B/C

Post by BennyTheJett »

Who is the dunkleosteus named after?

What is Montana's state fossil?
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Re: Fossils B/C

Post by ChimpLopez »

BennyTheJett wrote: ↑February 3rd, 2020, 4:04 pm Who is the dunkleosteus named after?

What is Montana's state fossil? 
1. David Dunkle, the discoverer of the specimen
2. Maiasaura
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Re: Fossils B/C

Post by BennyTheJett »

Correct.
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Re: Fossils B/C

Post by ChimpLopez »

1. Is Genus Mucrospirifer a good index fossil? If so, state what period it is a good index fossil for
2. What characteristics of a specimen make it a good index fossil?
3. What is the half life of The Carbon-14 isotope?
4. What geologic principle states that the same natural processes that we seen in present day have always operated in the universe?
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Re: Fossils B/C

Post by hmmm »

ChimpLopez wrote: ↑February 6th, 2020, 10:55 am 1. Is Genus Mucrospirifer a good index fossil? If so, state what period it is a good index fossil for
2. What characteristics of a specimen make it a good index fossil?
3. What is the half life of The Carbon-14 isotope?
4. What geologic principle states that the same natural processes that we seen in present day have always operated in the universe?
1.yes, devonian
2. Short time range, easily recognized, abundant, wide geographic distribution
3.5730 yrs
4. Uniformitarianism
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Re: Fossils B/C

Post by ChimpLopez »

hmmm wrote: ↑February 6th, 2020, 11:58 am
ChimpLopez wrote: ↑February 6th, 2020, 10:55 am 1. Is Genus Mucrospirifer a good index fossil? If so, state what period it is a good index fossil for
2. What characteristics of a specimen make it a good index fossil?
3. What is the half life of The Carbon-14 isotope?
4. What geologic principle states that the same natural processes that we seen in present day have always operated in the universe?
1.yes, devonian
2. Short time range, easily recognized, abundant, wide geographic distribution
3.5730 yrs
4. Uniformitarianism
Correct! Your turn!
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Re: Fossils B/C

Post by sciolyrules107 »

Alrighty. I might as well start this up again.

https://earthphysicsteaching.homestead. ... _FL_3A.JPG

1. ID
2. What is it made of?
3. What is its composition?
4. How did it form?
5. What popular cereal bar does it look like?
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