California Geology & Society Exam 2
4 Priciples for age courting(ch.3) - ANS-Superposition
Original Horizontality
Interconnected Relationships Inclusions
Absolute ages- radiometric courting (ch.Three) - ANS-Thank the physicists!
Half-life - the time it takes for one 1/2 of the atoms in a pattern to collapse forming a
"daughter" product. Neutrons depart the nucleus. U/Pb (Uranium to Lead) has half of-lives
that variety from fractions of a second to greater than 4.5 billion years. Actually,
geophysicists examine figure RATIOS to kid's products Absolute dating - ANS-rely on
radioactive clocks to age date
Absolute Dating - Radiometric Dating: Claire Patterson (ch.3) - ANS-• Uranium/Lead
relationships
• Earth has been observed to be infected with lead! Earth is 4..4 to four.6 billion years old
Angular uncomformity (ch. 3) - ANS - the orientation of the layers underneath isn't like that
of the layers above
Atoms (ch. 2) are the defining systems of elements and the essential unit of a chemical
detail. They cannot be broken into smaller devices thru chemical actions
Composition (ch.2) - ANS-What it is made out of
Grain types and proportions move-cutting members of the family(ch.Three) - ANS-the fault
is younger than the rocks.
- a function which include a fault that cuts through a layer of rock should be younger than
that layer of rock being cut.
Dendrochronology (ch.Three) - ANS-Large wide variety of measurements the usage of a
whole lot of trees over an area develops regional ring "patterns" and in which the patterns
statistically correlate we are able to extend the chronology spatially and temporally
"We can rely backwards"
About accurate for eleven,000 years. Sluggish developing with annual boom earrings
We use a LOT of bushes and pass correlate across massive
areas
Elements (ch. 2) - ANS-• Ten of the a hundred and five factors comprise ninety nine.Nine
percent of the crust. • Silicon and oxygen, of the 10, account for seventy five%. • Most
geologists spend their time studying silicates because, that's what we see the maximum!
Figure three-1C - ANS-Sediments deposited horizontally on tilted rocks provide us crucial
pieces of data: A duration of abrasion happened after the tilting, forming a particularly
horizontal surface, & the sediments deposited on that surface are younger than the erosion
duration.
Fossil Succession(ch.3Pale) - ANS-realized particular fossil species observed only in a
constrained
c program languageperiod
Once a fossil has vanished, it's far in no way located higher inside the collection (except
transformed in a sedimentary cycle)
extinction is forever - assume again approximately why that is vital to
correlation
codified as the Principle of Faunal Succession
4 Priciples for age courting(ch.3) - ANS-Superposition
Original Horizontality
Interconnected Relationships Inclusions
Absolute ages- radiometric courting (ch.Three) - ANS-Thank the physicists!
Half-life - the time it takes for one 1/2 of the atoms in a pattern to collapse forming a
"daughter" product. Neutrons depart the nucleus. U/Pb (Uranium to Lead) has half of-lives
that variety from fractions of a second to greater than 4.5 billion years. Actually,
geophysicists examine figure RATIOS to kid's products Absolute dating - ANS-rely on
radioactive clocks to age date
Absolute Dating - Radiometric Dating: Claire Patterson (ch.3) - ANS-• Uranium/Lead
relationships
• Earth has been observed to be infected with lead! Earth is 4..4 to four.6 billion years old
Angular uncomformity (ch. 3) - ANS - the orientation of the layers underneath isn't like that
of the layers above
Atoms (ch. 2) are the defining systems of elements and the essential unit of a chemical
detail. They cannot be broken into smaller devices thru chemical actions
Composition (ch.2) - ANS-What it is made out of
Grain types and proportions move-cutting members of the family(ch.Three) - ANS-the fault
is younger than the rocks.
- a function which include a fault that cuts through a layer of rock should be younger than
that layer of rock being cut.
Dendrochronology (ch.Three) - ANS-Large wide variety of measurements the usage of a
whole lot of trees over an area develops regional ring "patterns" and in which the patterns
statistically correlate we are able to extend the chronology spatially and temporally
"We can rely backwards"
About accurate for eleven,000 years. Sluggish developing with annual boom earrings
We use a LOT of bushes and pass correlate across massive
areas
Elements (ch. 2) - ANS-• Ten of the a hundred and five factors comprise ninety nine.Nine
percent of the crust. • Silicon and oxygen, of the 10, account for seventy five%. • Most
geologists spend their time studying silicates because, that's what we see the maximum!
Figure three-1C - ANS-Sediments deposited horizontally on tilted rocks provide us crucial
pieces of data: A duration of abrasion happened after the tilting, forming a particularly
horizontal surface, & the sediments deposited on that surface are younger than the erosion
duration.
Fossil Succession(ch.3Pale) - ANS-realized particular fossil species observed only in a
constrained
c program languageperiod
Once a fossil has vanished, it's far in no way located higher inside the collection (except
transformed in a sedimentary cycle)
extinction is forever - assume again approximately why that is vital to
correlation
codified as the Principle of Faunal Succession
