TABLE 1.  Experimental conditions and average compositions of phases

 

 

t               P              T                                                        Points                            Cations/6 Oxygens                                            Weight     100Fe

Run         (min.)      (GPa)      (⁰C)             Location                    Analyzed       Fe            Mg          Si             Al            Ca           Sum        Totals                 (Fe+Mg)

 

K-546      660          6             1,400       fragment, middle   Ol            12            0.255       2.746       1.497       0.001       0.003       4.502       98.0           8.50

(Graphite)                                                                edge     Ol              5            0.235       2.780       1.491       0.000       0.003       4.509       98.2           7.79

                                                                in the graphite      Ga           11            0.225       1.195       1.507       0.985       0.084       3.996       96.0         15.85

                                                                                                S                4            0.023       2.605       1.110       0.777       0.001       4.516       95.3           0.90

                                                                                                L                2            0.258       4.033       0.853       0.000       0.003       5.147       69.9           6.05

                                                                                                Ol              3            0.217       2.723       1.522       0.008       0.004       4.474       96.9           7.38

                                                                                                Px              2            0.119       1.784       1.970       0.099       0.010       3.982       96.2           6.26

 

K-535        25          12            1,400       fragment, middle   Ol            11            0.280       2.739       1.484       0.003       0.004       4.510       98.7           9.27

(Graphite)                                                                              Ga             1            0.373       1.061       1.416       1.106       0.055       4.011       93.7         26.00

                                                                                  edge     Ol              9            0.270       2.732       1.477       0.024       0.003       4.506       97.7           9.01

 

K-542        20          12            1,300       fragment, middle   Ol            10            0.272       2.744       1.489       0.001       0.004       4.510       97.8           9.01

(Graphite)                                                                edge     Ol              3            0.272       2.737       1.492       0.001       0.004       4.506       98.3           9.04

 

S-3316    240          12            1,500       fragment, middle   Ol              4            0.158       2.886       1.476       0.001           -           4.521       99.6           5.20

(Diamond)                                                               edge     Px or L      1            0.170       2.405       1.708       0.004           -           4.287       99.3           6.59

                                                                whiskers                     L         11            0.322       2.577       1.533       0.012           -           4.444       31.5         11.11

                                                                                                Ga             3            0.247       1.426       1.656       0.649           -           3.978       28.5         15.24

                                                                                                Px              1            0.203       1.463       2.153       0.004           -           3.823       14.5         12.20

 

S-3413      20          10            1,400       fragment, middle   Ol              9            0.276       2.752       1.481       0.002       0.004       4.515       98.0           9.09

(Diamond)                                                               edge     Ol              6            0.240       2.720       1.497       0.026       0.003       4.486       98.9           8.09

                                                                                                L                1            0.290       2.636       1.438       0.128       0.005       4.497       96.5           9.90

 

K-474        30          12            1,400       fragment, middle   Ol              4            0.266       2.713       1.507       0.001       0.004       4.491       97.5           8.93

(Diamond)                                                               edge     Ol              2            0.258       2.708       1.514       0.001       0.004       4.485       97.4           8.69

 

Original San Carlos Olivine                                                            16           0.273      2.735      1.491      0.002      0.004      4.505      98.2          9.09

 

Ol = Olivine

Px = Pyroxene

Ga = Garnet

S = Spinel

L = Liquid