Geology Cosmogenic Helium 3 Age Calculator
Stable cosmogenic helium-3 zero-initial-pool/noerosion age, N/P; noncosmogenic helium, shielding and matched production independently resolved. Actual independently matched quantities/units required; not infer causal effect, clinical guidance or safe design.
Description
Stable cosmogenic helium-3 accumulation can be related to a matched production rate under adopted exposure assumptions.
Stable cosmogenic helium-3 accumulation can be related to a matched production rate under adopted exposure assumptions.1
The simple ratio does not automatically correct inheritance or erosion. Use this tool to calculate the stated observation or conditional model from supplied measurements.
When to use Geology Cosmogenic Helium 3 Age Calculator
Use this tool to calculate the stated observation or conditional model from supplied measurements. Establish the sample and coordinate basis, matching units, calibration source and applicable model assumptions.
How to use Geology Cosmogenic Helium 3 Age Calculator and understand its results
- Establish the sample and coordinate basis, matching units, calibration source and applicable model assumptions.
- Enter actualIndependentlyResolvedCosmogenicHelium3Concentration, callerMatchedHelium3ProductionPerYear, using the field meanings and rules below, then run the tool.
- Read result.observedRatio. Interpret each field using the units, signs and evidence rules below.
- If input validation fails, correct the reported field and run again. Before applying a successful result, check the stated reference scope, units, assumptions and any retained unknown evidence.
| Input field | Meaning | Value type | Requirement |
|---|---|---|---|
| actualIndependentlyResolvedCosmogenicHelium3Concentration | Actual independently resolved cosmogenic helium3 concentration | number | Required |
| callerMatchedHelium3ProductionPerYear | Caller matched helium3 production per year | number | Required |
Require nonnegative actualIndependentlyResolvedCosmogenicHelium3Concentration and positive callerMatchedHelium3ProductionPerYear. Divide numerator by denominator without percent scaling. Values need not be integers and the tool does not require numerator≤denominator or clamp the result. Establish matching measurement scope and units independently. Matched concentration divided by production on the same concentration-per-year basis returns conditional years.
result=1×actualIndependentlyResolvedCosmogenicHelium3Concentration/callerMatchedHelium3ProductionPerYear Apply the field units and exact ordering, boundary and evidence rules above.
| Output field | Meaning | Value type |
|---|---|---|
| result | Structured result containing the calculation or selected reference fields below | object |
| result.observedRatio | Conditional duration in years on the matched dose or concentration basis | number |
{
"input": {
"actualIndependentlyResolvedCosmogenicHelium3Concentration": 2,
"callerMatchedHelium3ProductionPerYear": 4
},
"output": {
"result": {
"observedRatio": 0.5
}
}
}Limitations and assumptions
The simple ratio does not automatically correct inheritance or erosion. Results depend on the independently established measurement basis and the exact model assumptions above.
Every listed input requires an explicit value. Unexpected fields, incorrect value types, nonfinite numbers and sparse numeric arrays fail validation; tool-specific bounds and alignment rules apply as described above. Extremely large inputs or outputs can also be rejected. An input error is distinct from a successful calculation that reports a false comparison or retains unknown evidence.
Alternative or Complementary methods
Use Geology Thermoluminescence Age Calculator to examine a related aspect: Thermoluminescence age relates equivalent dose to an applicable time-averaged dose rate.
Use Geology Electron Spin Resonance Age Calculator where its separate inputs and scope apply: Electron-spin-resonance age relates equivalent dose to an applicable average dose rate.
References
Similar or alternative tools
- Geology Thermoluminescence Age Calculator
Thermoluminescence age relates equivalent dose to an applicable time-averaged dose rate.
- Geology Electron Spin Resonance Age Calculator
Electron-spin-resonance age relates equivalent dose to an applicable average dose rate.