Mnemonics, Minerals, K-Feldspar


CodeK-Feldspar
Mineral GroupAlkali Feldspar
Mineral ClassFramework Silicate
FormulaKAlSi3O8
OccurrenceIn all sedimentary rocks.
Electron Density, calculated from formula (Rhoe_Calc)2.55
Litho Density, calculated from formula (Rhol_Calc)2.54
Gamma Ray, measured empirically (Gr_Meas)171.00
Photoelectric Factor, calculated from formula (Pef_Calc)2.86
Photoelectric Factor, measured empirically (Pef_Meas)3.40
Volumetric Photoelectric Factor, calculated from formula (Uma_Calc)7.29
Neutron Cross-section, calculated from formula (Sigma_Calc)15.82
Neutron Cross-section, measured empirically (Sigma_Meas)15.30
Neutron slowing-down length, calculated from formula (Ls_Calc)32.13
Neutron diffusion length, calculated from formula (Ld_Calc)10.69
Epithermal CNL porosity, calculated from formula (Epi_Calc)-1.50
Epithermal CNL porosity, measured empirically (Epi_Meas)-1.00
Thermal CNL porosity, calculated from formula (Therm_Calc)-1.10
Thermal CNL porosity, measured empirically (Therm_Meas)-0.60
Bulk Modulus, calculated from formula (Bmod_Calc) 
Shear Modulus, calculated from formula (Smod_Calc) 
Delta-T Compressional (us/m), calculated from formula (Dtc_Calc)226.40
Delta-T Shear (us/m), calculated from formula (Dts_Calc) 
Poisson's Ratio, calculated from formula (Pr_Calc) 
EPT Propagation time, calculated from formula (Tp_Calc)8.00
Molecular weight, calculated from formula (Mol_Wt_Calc)278.35
Bulk Density, calculated from formula (Rho_Calc)2.57
Weight % of Hydrogen, calculated from formula (H_Calc) 
Weight % of Carbon, calculated from formula (C_Calc) 
Weight % of Oxygen, calculated from formula (O_Calc)46.00
Weight % of Sodium, calculated from formula (Na_Calc) 
Weight % of Sodium, measured empirically (Na_Meas)2.00
Weight % of Magnesium, calculated from formula (Mg_Calc) 
Weight % of Magnesium, measured empirically (Mg_Meas)0.00
Weight % of Aluminum, calculated from formula (Al_Calc)9.70
Weight % of Aluminum, measured empirically (Al_Meas)10.00
Weight % of Silicon, calculated from formula (Si_Calc)30.30
Weight % of Silicon, measured empirically (Si_Meas)30.00
Weight % of Potassium, calculated from formula (K_Calc)14.00
Weight % of Potassium, measured empirically (K_Meas)10.20
Weight % of Calcium, calculated from formula (Ca_Calc) 
Weight % of Calcium, measured empirically (Ca_Meas)0.10
Weight % of Iron, calculated from formula (Fe_Calc) 
Weight % of Iron, measured empirically (Fe_Meas)0.20
Weight % of Boron, calculated from formula (B_Calc) 
Boron concentration (ppm), measured empirically (B_Meas)21.00
Weight % of Nitrogen, calculated from formula (N_Calc) 
Weight % of Fluorine, calculated from formula (F_Calc) 
Weight % of Phosphorus, calculated from formula (P_Calc) 
Weight % of Sulfur, calculated from formula (S_Calc) 
Weight % of Sulfur, measured empirically (S_Meas)0.00
Weight % of Chlorine, calculated from formula (Cl_Calc) 
Weight % of Titanium, calculated from formula (Ti_Calc) 
Weight % of Titanium, measured empirically (Ti_Meas)0.01
Weight % of Manganese, calculated from formula (Mn_Calc) 
Weight % of Copper, calculated from formula (Cu_Calc) 
Weight % of Zinc, calculated from formula (Zn_Calc) 
Weight % of Strontium, calculated from formula (Sr_Calc) 
Weight % of Zirconium, calculated from formula (Zr_Calc) 
Weight % of Barium, calculated from formula (Ba_Calc) 
Weight % of Lead, calculated from formula (Pb_Calc) 
Thorium concentration (ppm), measured empirically (Th_Meas)1.10
Uranium concentration (ppm), measured empirically (U_Meas)0.40
Gadolinium concentration (ppm), measured empirically (Gd_Meas)0.30
Loss on Ignition, % weight, measured empirically (Loi_Meas)0.50
Volatile H component of LOI(H2O+), measured empirically (H_Loi_Meas)0.40
Trace ElementsNa->5 Th:3->7ppm U:0.2->3ppm Ca,Fe
Description 

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