Matter
- Name
- Dark basalt (200-400 µm grains)
- Family
- solid
- Database
- Experimentalists
- Origins
- natural terrestrial
- Provider
- C. Okubo
- Body name
- Earth
- Place
- Collected from the active dunes in the Kau Desert region, Hawaii, USA , Hawaii , United States
- Preparation
- sieved fraction
- Phase type
- solid
- Component type (group)
- igneous rock (unknown)
- Shape
- loose powder
- Texture
- compact glassy
- Type of porosity
- open pores
- Grain sizes
-
Grains Size min Size max Size median Size width Size mass fraction Grain shape #1 200.0 ${\mu}m$ 400.0 ${\mu}m$ 1.0 None - Size method
- dry sieving
- Title
- Preparation of the 200-400 µm grains of Dark basalt
- Matters
- Matter
- Dark basalt (200-400 µm grains) (this matter)
- Processing steps
-
Step Date Type Process Changes #1 mechanical dry sieving using a 200-µm mesh sieve and a 400-µm mesh sieve only the grains with size comprised between 200 and 400 µm were collected