Dating Activity
Determination of the ages of minerals using radiometric age dating. Use the curve you just constructed above to answer the questions below.
How did you determine the age of the mineral that contains a particular radioactive isotope parent daughter pair?
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Based on radiometric dating of meteorites/asteroids, how old is the Earth? a. 65 million years old...
Based on radiometric dating of meteorites/asteroids, how old is the Earth? a. 65 million years old b. 4.6 million years old c. 65 billion years old d. 4.6 billion years old 2. A break in time in continuous sedimentary rock layers that is due to erosion is called? a. Siccar Point b. Contact c. Unconformity d. Eon 3. What do we use to numerically date rocks? a. Radioactive isotopes b. Minerals c. Fossils d. Acid 4. Regarding principles used to...
Chapter 2 Fundamental Concepts 77 c. Your rock contains Iparent isotope A and daughter isotope B....
Chapter 2 Fundamental Concepts 77 c. Your rock contains Iparent isotope A and daughter isotope B. Geochron Laborato- ries dates the rock specimen at 500 million vears old. What is the hall-life of isotope A? d. Your rock contains a parent isotope Sand daughter isotope 7. Geochron Laboratories dates the rock specimen at 200 million vears old.'What is the half-life of isotope S? Geochron has also told you that one of its lab technicians split the rock in half and...
Question 75 5 pts Determine the age of the zircon mineral grain from a granite in...
Question 75 5 pts Determine the age of the zircon mineral grain from a granite in the Sierra Nevada using the 14C to 14N method. The mineral has 5678814C atoms and 87655 14N atoms. The half life (T1/2) of this system is 5730 years. What is the age? Use the curve equation T = -1.4431n(f) 1. Determine Pi, initial parent amount (add Parent Daughter) 2.f P/Pi 3. Use the curve equation to solve for T (number of half lives elapsed)...
A) According to the data, what are the approximate half-lives of the hypothetical elements A, B,...
A) According to the data, what are the approximate half-lives of
the hypothetical elements A, B, C, and D?
B) Which of the hypothetical substances would be the most
harmful to living organisms? Why?
C) What part of an original isotope's number of atoms remains
after two half-lives?
D) After three half-lives of an isotope, 1 billion (one-eighth)
of the original isotope's atoms still remain in a certain amount of
this element. How many atoms of the daughter product would...
Place the lettered features in proper sequence, from oldest to youngest, in the space provided on the figure
Use Figure 6.21 to complete questions 1-8. .1. Place the lettered features in proper sequence, from oldest to youngest, in the space provided on the figure.2. What type of unconformity separates layer G from layer F?3. Which principle of relative dating did you apply to determine that rock layer H is older than layer I? 4. Which principle of relative dating did you apply to determine that fault M is older than rock layer F? 5. Explain how you know that fault...
Radioactive decay occurs when a radioactive isotope ("parent" isotope) gradually transforms into ...
Radioactive decay occurs when a radioactive isotope ("parent" isotope) gradually transforms into a radiogenic isotope ("daughter" isotope) over time. This process is modeled by the following function: where r is the ratio of parent to daughter atoms, t is time and τΗ is called the halflife. The following table shows several parent-daughter pairs along with their half-lives. Daughter N14 Srs7 Ar4o Pb206 Pb207 Half-Life (years) 5730 48.8 x 109 1.3 x 109 4.6 x 109 0.7 x 10 arent Rbs7...
please hep. The phrase, "The present is the key to the past," refers to the doctrine...
please hep.
The phrase, "The present is the key to the past," refers to the doctrine of What is the name of a Phanerozoic era that represents the age of mammals? Fossils used for matching rocks of the same age are called Dinosaurs lived during the The remains or traces of prehistoric life are called In an un-deformed sequence of sedimentary rocks, each bed is older than the one above and younger than the one below. The preceding is a...
2. A break in time in continuous sedimentary rock layers that is due to erosion is...
2. A break in time in continuous sedimentary rock layers that is due to erosion is called? a. Siccar Point b. Contact c. Unconformity d. Eon 3. What do we use to numerically date rocks? a. Radioactive isotopes b. Minerals c. Fossils d. Acid 4. Regarding principles used to determine relative age, what does "Cross Cutting Relationships" recognize? a. The layers at the bottom are older b. The layers at the top are older c. Layers go one horizontally forever...
Using Python 3... Question 4: Carbon dating (3 points) Archaeologists use the exponential, radioactive decay of...
Using Python 3...
Question 4: Carbon dating (3 points) Archaeologists use the exponential, radioactive decay of carbon-14 to estimate the death dates of organic material. The stable form of carbon is carbon-12, and the radioactive isotope carbon-14 decays over time into nitrogen-14 and other particles. Carbon is naturally in all living organisms, and the carbon-14 that forms in the upper atmosphere enters into living things as long as they are taking in material (food, air, etc.) that contains carbon. We...
All problems (Earth Science Dinosaurs) You find some dinosaur fossils in rocks that overlie (are found...
All problems (Earth Science Dinosaurs)
You find some dinosaur fossils in rocks that overlie (are found on top of) an ash bed and that are cut by a volcanic dike. Using radiometric dating, geologists determine the age of the ash bed to be 120 million years (Ma) and the dike to be 100 Ma. What can you say about the age of the dinosaur fossils? Select one: O a. Their age is probably halfway between the age of the ash...
Chapter 2 Fundamental Concepts 77 c. Your rock contains Iparent isotope A and daughter isotope B. Geochron Laborato- ries dates the rock specimen at 500 million vears old. What is the hall-life of isotope A? d. Your rock contains a parent isotope Sand daughter isotope 7. Geochron Laboratories dates the rock specimen at 200 million vears old.'What is the half-life of isotope S? Geochron has also told you that one of its lab technicians split the rock in half and...
Question 75 5 pts Determine the age of the zircon mineral grain from a granite in the Sierra Nevada using the 14C to 14N method. The mineral has 5678814C atoms and 87655 14N atoms. The half life (T1/2) of this system is 5730 years. What is the age? Use the curve equation T = -1.4431n(f) 1. Determine Pi, initial parent amount (add Parent Daughter) 2.f P/Pi 3. Use the curve equation to solve for T (number of half lives elapsed)...
A) According to the data, what are the approximate half-lives of
the hypothetical elements A, B, C, and D?
B) Which of the hypothetical substances would be the most
harmful to living organisms? Why?
C) What part of an original isotope's number of atoms remains
after two half-lives?
D) After three half-lives of an isotope, 1 billion (one-eighth)
of the original isotope's atoms still remain in a certain amount of
this element. How many atoms of the daughter product would...
Radioactive decay occurs when a radioactive isotope ("parent" isotope) gradually transforms into a radiogenic isotope ("daughter" isotope) over time. This process is modeled by the following function: where r is the ratio of parent to daughter atoms, t is time and τΗ is called the halflife. The following table shows several parent-daughter pairs along with their half-lives. Daughter N14 Srs7 Ar4o Pb206 Pb207 Half-Life (years) 5730 48.8 x 109 1.3 x 109 4.6 x 109 0.7 x 10 arent Rbs7...
please hep.
The phrase, "The present is the key to the past," refers to the doctrine of What is the name of a Phanerozoic era that represents the age of mammals? Fossils used for matching rocks of the same age are called Dinosaurs lived during the The remains or traces of prehistoric life are called In an un-deformed sequence of sedimentary rocks, each bed is older than the one above and younger than the one below. The preceding is a...
Using Python 3...
Question 4: Carbon dating (3 points) Archaeologists use the exponential, radioactive decay of carbon-14 to estimate the death dates of organic material. The stable form of carbon is carbon-12, and the radioactive isotope carbon-14 decays over time into nitrogen-14 and other particles. Carbon is naturally in all living organisms, and the carbon-14 that forms in the upper atmosphere enters into living things as long as they are taking in material (food, air, etc.) that contains carbon. We...
All problems (Earth Science Dinosaurs)
You find some dinosaur fossils in rocks that overlie (are found on top of) an ash bed and that are cut by a volcanic dike. Using radiometric dating, geologists determine the age of the ash bed to be 120 million years (Ma) and the dike to be 100 Ma. What can you say about the age of the dinosaur fossils? Select one: O a. Their age is probably halfway between the age of the ash...
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