Location data |

Latitude | 36.852 | deg | latitude of profile site in decimal degrees |

Longitude | −111.606 | deg | longitude of profile site in decimal degrees |

Altitude | 985 | m | site altitude |

Strike | 0 | deg | strike of surface (0–360 deg) |

Dip | 0 | deg | dip of surface (0–90 deg; right hand rule) |

Shielding data |

Azimuths | 0^{b} | deg | data are imported from ASCII text file; first column with azimuth measurements, second column with corresponding angle to horizon |

Angles | 15^{b} | deg | see description of azimuths |

Sample data |

Depths | 27.5^{b} | cm | data are imported from ASCII text file with four columns of data in the following order: depths (depth to top of each sample), thicknesses (sample thickness), sample concentrations, error in measurement. See Table 1 for suite of data used for simulation |

Thickness | 5^{b} | cm | see description of depths |

Isotope concentration | 568744^{b} | atoms g^{−1} | see description of depths |

Measurement error | 0.0305^{b} | fraction | see description of depths |

Density data |

Depth dependent | | | |

Depths | NA^{b} | cm | data are imported from ASCII text file with three columns of data in the following order: depths (to top of each horizon–always starts with 0), horizon densities, and estimated uncertainty in density measurement |

Densities | NA^{b} | g cm^{−3} | see description of depths |

Individual uncertainties | NA^{b} | g cm^{−3} | see description of depths |

Depth constant | | | |

Option 1: constant value | NA | g cm^{−3} | density is constant with depth, and it's value is fixed |

Option 2: mean value | NA | g cm^{−3} | density is constant with depth, but value varies with a normal distribution about a mean value |

std | NA | g cm^{−3} | see description of mean value |

Option 3: max value | 2.5 | g cm^{−3} | density is constant with depth, but varies randomly between two end^{−}member values |

min value | 2.2 | g cm^{−3} | see description of max value |

Spallogenic production |

Option 1: manual entry | NA | atoms g^{−1} a^{−1} | enter a production rate calculated from some other source |

Option 2: internally calculated | 9.51 | atoms g^{−1} a^{−1} | production rate calculated from *Stone* [2000] after *Lal* [1991] |

Reference production rate | 4.76 | atoms g^{−1} a^{−1} | from *Stone* [2000] recalibrated after *Nishiizumi et al.* [2007]; user can edit |

Uncertainty | | | |

Option 1: constant value | 9.51 | atoms g^{−1} a^{−1} | surface production rate is constant |

Option 2: mean value | NA | atoms g^{−1} a^{−1} | surface production rate varies with a normal distribution about a mean value |

std | NA | atoms g^{−1} a^{−1} | see description of mean value |

Option 3: max value | NA | atoms g^{−1} a^{−1} | surface production rate varies randomly between two end-member values |

min value | NA | atoms g^{−1} a^{−1} | see description of max value |

Neutron attenuation |

Option 1: constant value | NA | g cm^{−2} | neutron attenuation length is constant |

Option 2: mean value | 160 | g cm^{−2} | neutron attenuation length varies with a normal distribution about a mean value |

std | 5 | g cm^{−2} | see description of mean value |

Option 3: max value | NA | g cm^{−2} | neutron attenuation length varies randomly between two end-member values |

min value | NA | g cm^{−2} | see description of max value |

Muon production |

Depth of production fit | 5 | m | depth of curve fit to muon production of *Balco et al.* [2008] after *Heisinger et al.* [2002a, 2002b]; total uncertainty for fast and negative muons |

Total uncertainty | 0 | (%) | see description of depth of production fit |

Isotope half-life |

Uncertainty in half-life | 5 | (%) | estimated uncertainty in half-life |

Age |

Option 1: constant value | NA | a | age is treated as constant during simulation (useful for sensitivity analyses) |

Option 2: mean value | NA | a | age varies with a normal distribution about a mean value (independent age measurement) |

std | NA | a | see description of mean value |

Option 3: max value | 40,000^{c} | a | age varies randomly between two end-member values (end-members should be conservative enough to not constrain simulation) |

min value | 150,000^{c} | a | see description of max value |

Erosion |

Net erosion | | | |

Max value | 30 | cm | maximum erosion estimated from site (use large value if unknown) |

Min value | 0 | cm | minimum erosion estimated from site (can be negative for aggradation) |

Erosion rate | | | |

Option 1: constant value | NA | cm ka^{−1} | erosion rate is treated as constant during simulation (useful for sensitivity analyses) |

Option 2: mean value | NA | cm ka^{−1} | erosion rate varies with a normal distribution about a mean value (independent erosion rate measurement) |

std | NA | cm ka^{−1} | see description of mean value |

Option 3: max value | 0.4^{c} | cm ka^{−1} | erosion rate varies randomly between two end-member values (end-members should be conservative enough to not constrain simulation; must not contradict net erosion cut-offs) |

min value | 0 | cm ka^{−1} | see description of max value |

Inheritance |

Option 1: constant value | NA | atoms g^{−1} | inheritance is treated as constant during simulation (useful for sensitivity analyses) |

Option 2: mean value | NA | atoms g^{−1} | inheritance varies with a normal distribution about a mean value (independent inheritance measurement) |

std | NA | atoms g^{−1} | see description of max value |

Option 3: max value | 50,000^{c} | atoms g^{−1} | inheritance varies randomly between two end-member values (nonnegative values only; conservative end-members can usually be estimated from deepest sample) |

min value | 150,000^{c} | atoms g^{−1} | see description of max value |

MC settings |

Option 1: chi-square cut-off | NA | NA | only accepts profile solutions with a lower reduced chi-square value |

Option 2: sigma confidence | 2 | NA | only accepts profile solutions within specified sigma confidence |

Parallel processing? | Y | NA | allows parallel utilization of multiple core and processor machines (see readme.txt) |

Profile solutions | 100,000 | NA | number of acceptable solutions to generate before simulation ends |