Matter
- Name
- Basaltic Hawaii sand grain size 75_125 microns (C2)
- Family
- mineral
- Database
- Experimentalists
- Parent matter
- Basaltic Hawaii sand
- Level
- from laboratory repository
- Origins
- natural terrestrial
- Provider
- Patrick Pinet, Serge Chevrel, IRAP, OMP, 14 avenue E Belin, 31400 Toulouse, France
- Body name
- Earth
- Terrain type
- mineral surface
- Place
- Picnic Area and Campground, Kamoamoa Beach , Big island, Hawaii , United States
Coordinates
- System
- WGS84
- Position type
- point
- Geolocation
-
Point Latitude Longitude Altitude #1 19.318° -155.045° 0.0 m
- Preparation
- sieved fraction
- Method
- mechanical grinding and grain size sorting
- Phase type
- solid
- Component type (group)
- igneous rock (volcanic rock (fine-grained crystalline rock))
- Comments
- tholeiitic basaltic sand from a lava flow (1986) eroded by marine effect with very few olivine and pyroxenes crystals as seen with naked eyes
- Shape
- irregular
- Texture
- compact coarse grained
- Type of porosity
- particulate
- Texture
- compact microporous
- Grain sizes
-
Grains Size min Size max Size median Size width Size mass fraction Grain shape #1 75.0 ${\mu}m$ 125.0 ${\mu}m$ 1.0 irregular - Comments
- shard-shaped aspect with smooth facets
- Title
- mechanical grinding of basaltic Hawaii sand then sieving between 75 and 125 µm meshes
- Matters
- Matter
- Basaltic Hawaii sand grain size 75_125 microns (C2) (this matter)
- Processing steps
-
Step Date Type Process Changes #1 mechanical mechanical grinding of bulk basalt #2 mechanical sieving by 2 stainless steel sieves with 75 and 125 microns meshs