## Estimation of Uranium Ore Reserves by Statistical Methods and a Digital Computer |

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### Contents

ESTIMATION OF URANIUM ORE RESERVES | 4 |

0RSAC2 COMPUTER PROGRAM | 23 |

CONCLUSIONS | 49 |

Copyright | |

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### Common terms and phrases

additive constant ALPHA arithmetic mean assay array assay data assay values ASSIGN average grade average thickness BLOCK Calculate CALL REREAD chi-square test columns computer program confidence limit coordinate COUNTER curve cutoff grade data card DATE deflection deposit Depth designed drill holes elements elevation estimation FACTORS Figure Flow Diagram FORMAT formula frequency distribution frequency for normal gamma-ray log given header histogram hole number identification included interval Krige LAST LIST log interpretations logarithms lognormal distribution LOOKUP main program 0RSAC2 mathematical minimum grade Mining NORCHI normal integral normal probability integrals number of holes obtained oooooooooooooooooooooooooooooo PEDAT percent U3O8 percentile population positive Print printout program control punched RANGE READ INPUT TAPE requirements RETURN sample sample data Sichel SKEWNESS square standard deviation statistical analysis subroutine substituting tonnage total tons transformation true uranium ore reserve variance various WRITE OUTPUT TAPE