Database

• Mirabelle

Experimentalists

• Jessica Flahaut
• Janice Bishop

Level

local matter

Origins

natural terrestrial

Provider

CRPG, Jessica Flahaut

Local reference code

L6R1

Body name

Earth

Terrain type

mineral surface

Place

Solfatara Crater , Italy , Italy

Coordinates

System

WGS84

Position type

point

Geolocation

Point	Latitude	Longitude	Altitude
#1	40.82935°	14.14072°

Preparation

raw

Phase type

solid

Component type (group)

igneous rock (pyroclastic rock or sediment)

Type of porosity

porous

Oxides

Formula	$SiO_{2}$	$Al_{2}O_{3}$	$Fe_{2}O_{3}$	$MnO$	$MgO$	$CaO$	$Na_{2}O$	$K_{2}O$	$TiO_{2}$	$P_{2}O_{5}$
Mass fraction (%)	97.16	1.54	0.13	0.0	0.05	0.05	0.12	0.1	0.86	0.0

Oxides comments

Measurements were carried out by ICP-OES at the SARM Nancy. Major oxides have been normalized to 100% to exclude the loss on ignition (estimated at 12.37 wt%). Values of 0 reflect amounts that were below the detection limits.

Number

1

Mode of mixing

single material

Materials

	Name	Arrangement	Mass (g)	Mass fraction	Abundance comments
	Wall Ignimbrite			1.0	Material has a crystallinity of ONLY 9% according to XRD analyses. Amorphous component is likely dominated by silica, but may include other components not described hereafter

Publications

• Flahaut et al., 2019, Am. Mineral., 104, 1565 - 1577