Table 1 Experimental conditions and run products

From: Experimental constraints on the sources of lithium-rich granites and pegmatites

Run

Starting material

Apparatusa

Temperature (°C)

Pressure (MPa)

Duration (h)

H2O added (wt%)

Newly formed phases

Residual phases

High-temperature melting

PC1

Barr888

PC

1000

700

96

0

Gl + Pl + Gnt + Sill + Crn + Rt

St

PC2

Barr888

PC

1200

1000

48

0

Gl + Sill + Crn

n.a.b

A1

Barr888

IHPV

1200

400

48

10

Gl +Sill + Crn

n.a.

BH_MSed1

FM1

IHPV

1200

200

72

0

Gl +Crn + Hc

n.a.

BH_MSed4

ST19.03

IHPV

1200

200

72

0

Gl +Crn + Hc

n.a.

Fluid-absent melting

GAR01

FM1

PC

750

700

330

0

Gl + Crd + Tur + Afs + Sill + Rt + Mag

St + Bt + Grt + Qz + Pl

GAR09

ST19.03

PC

750

700

69

0

Gl + Crd + Afs + Sill + Rt + Mag

St + Bt + Grt + Qz + Pl

PC5

Barr888

PC

750

700

144

0

Gl + Pl + Afs + Sill + Crn + Aln + Rt  + Fe–Ti oxidec

St + Qz

PC3

Barr888

PC

800

700

168

0

Gl + Pl + Afs + Sill + Crn + Aln + Rt  + Fe–Ti oxide

St + Qz

PC7 F

Barr888

PC

800

700

168

0

Gl + Pl + Afs + Sill + Crn + Aln + Rt  + Fe–Ti oxide

St + Qz

PC8 F

Barr888

PC

800

1000

168

0

Gl + Pl + Afs + Sill + Crn + Aln + Rt  + Fe–Ti oxide

St + Qz

A2 F

Barr888

IHPV

800

400

120

0

Gl + Pl + Hc + Sill + Crn + Aln + Rt + Fe–Ti oxide

St + Qz

A3

Barr888

IHPV

800

400

48

0

Gl + Pl + Hc + Sill + Crn + Aln + Rt + Fe–Ti oxide

St + Qz

Fluid-present melting

GAR02

FM1

PC

750

700

330

10

Gl + Crd + Tur + Sill + Crn + Rt + Mag

St + Qz

GAR03

FM1

PC

750

700

330

10

Gl + Crd + Tur + Sill + Crn + Rt + Mag

St + Qz

Fluid-absent crystallisation

GAR05

FM1

PC

750

700

72

0

Gl + Bt + Hc + Sill + Crn

St + Qz

GAR08

FM1

PC

750

700

72

0

Gl + Bt + Hc + Sill + Crn

St + Qz

GAR13

FM1

PC

750

700

430

0

Gl + Bt + Hc + Sill

n.a.

PC7 C

A1 Glass

PC

800

700

168

0

Gl + Pl + Afs + Hc + Sill + Crn + Fe–Ti oxide

Qz

PC8 C

A1 glass

PC

800

1000

168

0

Gl + Pl + Bt + Hc + Sill + Crn + Fe–Ti oxide

Qz

A2 C

A1 Glass

IHPV

800

400

120

0

Gl + Pl + Hc + Sill + Crn + Fe–Ti oxide

Qz

A4

A1 Glass

IHPV

800

400

168

0

Gl + Pl + Hc + Sill + Crn + Fe–Ti oxide

Qz

Fluid-present crystallisation

GAR06

FM1

PC

750

700

72

10

Gl + Bt + Hc + Sill + Crn

St + Qz

GAR07

FM1

PC

750

700

72

10

Gl + Bt + Hc + Sill + Crn

St + Qz

GAR15

FM1

PC

750

700

430

10

Gl + Bt + Hc

n.a.

  1. Afs alkali feldspar, Bt biotite, Crd cordierite, Crn corundum, Gl glass, Gnt gahnite, Grt garnet, Hc hercynite, Mag magnetite, Pl plagioclase, Qz quartz, Rt rutile, Sill sillimanite, St staurolite, Tur tourmaline. Headings in italic highlight the experimental procedure.
  2. aPC = piston-cylinder (oxygen fugacity = ~CCO), IHPV = internally heated pressure vessel (oxygen fugacity = ~QFM).
  3. bn.a. = not applicable.
  4. cFe–Ti oxides are too small to be precisely identified.
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