How old is the rock after four half-lives have passed

Assignment Help Other Subject
Reference no: EM13970068

727_a.png

1. Observe this block diagram. Place events in order of occurrence in the respective places below. Work from oldest to youngest, bottom to top.Be sure to note any unconformities and their types.

16.

15.

14.

13.

12.

11.

10.

9.

8.

7.

6.

5.

4.

3.

2.

1.

1765_b.png


2. Observe the block diagram above. Place events in order of occurrence in the respective places below. Work from oldest to youngest, bottom to top.Be sure to note any unconformities and their types.

13.
12.
11.
10.
9.
8.
7.
6.
5.
4.
3.
2.
1.

1776_c.png

3. Observe the block diagram above. Place events in order of occurrence in their respective places below. Work from oldest to youngest, bottom to top.Be sure to note any unconformities and their types.

28.
27.
26.
25.
24.
23.
22.
21.
20.
19.
18.
17.
16.
15.
14.
13.
12.
11.
10.
9.
8.
7.
6.
5.
4.
3.
2.
1.
Absolute Dating

In this part of the exercise, you will be calculating the actual, or absolute, ages of the rock.

1979_d.png

The figure above shows the relationship between the percentage of parent material and the number of half-lives that have passed.

4. What percentage of the parent material is present after one half-life?
Two?
Three?
Four?

5. If you start with 80 grams of an isotope, how much would be left after-one half-life? What about three half-lives?

6. If an isotope has a half-life of 600 million years, how old is a rock that contains the isotope after 50% of the parent has decayed?
How old is the rock after four half-lives have passed?

7. You discover the parent isotope in a lava flow has gone through 0.75 half-lifes. If a half-life is 800 million years, how old is that rock?

8. In number 1, at the beginning of the exercise, Layer F was dated at 260 million years old. Layer E was determined to be 235 million years old. When did the fold occur?

456_e.png

9. The image to the left show a series of sections containing various fossils. If the star is 325 million years old (ma), and the heptagon (the 7-sided fossil) is 337 ma, how old is the 15-sided fossil in between?

If the star existed for three million years, from 324ma-327ma, how old must the arched arrow in section three be?

10. Based on what you learned about fossil preservation, how might the following be preserved as fossils?

Dinosaur bones?
Microscopic organisms like bacteria and protists?
Skin or feathers?
DNA?

Reference no: EM13970068

Questions Cloud

Was this a useful exercise for you to do with yourself : What did you learn from the assignment? Was this a useful exercise for you to do with yourself? What are some action points that you will implement in your life as a result of the outcome of your assessment
Give six very specific examples from the documentary : Give 6 VERY SPECIFIC EXAMPLES from the documentary that best indicate why Emmett Till's murder and its prosecution are a shocking injustice. Again, your examples must be from this documentary.
Could you see yourself using this with a client in future : What are some action points that you will implement in your life as a result of the outcome of your assessment? Could you see yourself using this with a client in the future
Impact on consumers and investors in the market. : From your research, identify one area for further study that you feel has a strong impact on consumers and investors in the market.
How old is the rock after four half-lives have passed : If an isotope has a half-life of 600 million years, how old is a rock that contains the isotope after 50% of the parent has decayed? How old is the rock after four half-lives have passed?
What types of group roles are there.name and describe them : Can you rank the roles in order of importance? If yes, do so and explain your ranking. If you could not rank the roles, explain why. Is it because all roles are equally important?
The reasearch topic is about trade, commodities, demand etc : The reasearch topic can be about trade, commodities, demand or supply, elasticities, health issues, monetary issues etc. Also, can be about the markets in your town or country that you leave.
What parts of the data was most interesting to you : What parts of the data was most interesting to you? Which occupations? Which occupations might require more than just a BS degree? Did any of the data surprise you or strike you as odd?
How do the characters in the ad function as signs : How do the characters in the ad function as signs? What sort of people don't appear as characters? What cultural myths or values are invoked in this ad?

Reviews

Write a Review

Other Subject Questions & Answers

  Policy summary

Policy Summary

  Low levels of dopamine are associated

Low levels of dopamine are associated with ______, while high levels of dopamine are generally associated with ______.

  Sampling methodology or ethical issues

A company organizes focus group members from a list of articulate participants. It does not conduct a random sample, but selects its sample from this group to ensure a good group session. The client did not inquire about sample selection when it acce..

  Humes dialogues concerning natural religion

I have to do an essay on Hume's Dialogues Concerning Natural Religion. I have answered all the other questions in the prompt but I am having trouble understanding why Philo reverses his position on the teleological argument in part XII and how it rel..

  Micronutrient deficiencies problem

What are some common problems that arise from micronutrient deficiencies? How might these problems impact overall health & life expentancy?

  Design an application that gets customer account data

Modify the No Interest Credit Company application so it executes continuously for any number of customers until a sentinel value is supplied for the account number.

  Collectivist work environment

Some foreign countries believe in a “collectivist” work environment. How does this differ from the “Individualistic” work choice of Americans? Explain how the two different ways of conducting business could cause obstacles to exchanging products or s..

  Reflects basic ability available only to formal operational

Which reflects a basic ability available only to a formal operational thinker?

  Quantitative and the other qualitative on at-risk children

Two journal articles one quantitative and the other qualitative on at-risk children. Write a brief summary of each of the articles along with a description of the approach taken by each author.

  Difference in quality of healthcare

Discuss at least three factors influencing differences in the rates of satisfaction with quality of healthcare among African Americans and Hispanics. Explain how differences in the healthcare received by people contribute to disparities in health.

  Minerals listed below play important roles in everyday life

the minerals listed below play important roles in everyday life. melt ice on roads( )-why ideal for this use? very hard abrasive( )-why ideal for this use? Make wallboard(sheetrock)( )-why ideal for this use?

  Impact the evaluation of a person degree

Socrates was famous for his statement "Know thyself." Psychologists throughout history have echoed this. Plato had some revolutionary ideas on what it means to be human. He was responsible for bringing dualism into popular thought. This had a prof..

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd