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Progress in Earth and Planetary Science

Table 5 The estimated relative volatilities and their applicable conditions

From: Bubbles to Chondrites-I. Evaporation and condensation experiments, and formation of chondrules

Conditions

    

ZMg/Si

L200

C<1and X<1.052

    

0.093

C<1 and 1.052<X<2.924

    

0.4859X−0.4208

C<1 and X>2.924

    

1

C>1

    

1

A200

C<0.6and X<0.8937

    

0.1

C<0.6 and 0.8937<X<2.758

    

0.4826X−0.3313

C<0.6 and X>2.758

    

1

C>0.6

    

1

Conditions

    

ZFe/Mg

L200

C<1 and Y<0.2232

    

284.003Y2−132.367Y+21.124

C<1 and 0.2232<Y<1.0631

    

−5.589Y+6.941

C<1 and Y>1.0631

    

1

C>1

    

1

A200

C<0.667and Y<1.205

    

−5.534Y+7.669

C<0.667 and Y>1.205

    

1

0.667<C<1.587

    

−0.9733C+2.4834

C>1.587

    

0.9242

Conditions

ZNa/Si

ZK/Si

ZCa/Si

ZTi/Si

ZCr/Si

ZMn/Si

ZFe/Si

L200

VD<8.5%

f(VD)

f(VD)

0.01

0.06

1.94

0.9 ZFe/Si

ZFe/Mg×ZMg/Si

VD>8.5%

5.41

5.05

0.01

0.06

1.94

0.9 ZFe/Si

ZFe/Mg×ZMg/Si

A200

VD<9%

f1(VD)

f2(VD)

0.02

0.05

0.9 ZFe/Si

0.8 ZFe/Si

ZFe/Mg×ZMg/Si

VD>9%

2.42

2.42

0.02

0.05

0.9 ZFe/Si

0.8 ZFe/Si

ZFe/Mg×ZMg/Si

  1. Note. C: Ca/Si molar ratio. X: Mg/Si molar ratio. Y: ZMg/Si.
  2. f(VD)=0.2854(VD)2−5.194VD+29.27.
  3. f1(VD)=−0.8867VD+10.35.
  4. f2(VD)=−0.2568VD+5.09
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