Geological and other Reports
List of Rocks collected during the Expedition
List of Rocks collected during the Expedition.
Whanganui river—
-
Igneous boulders—Products of Tongariro and Ruapehu.
1. Greenstone with crystals of hornblende.
2. Lava with felspar crystals.
3. Lava with glassy felspar and pyrdzeno.
4. Lava with pyroxene and white felspar.
5. Porphyritic felstone, with conchoidal fracture.
6. Do. with reddish felspar.
7. Felstone.
8. Tufa.
9. Pumice.
10. Obsidian.
11. Vesicular lava.
12. Felstone porphyry.
13. Hornblende rock.
14. Laterite.
15. Basalt.
-
Boulders of crystalline sandstones and slates—
1. Siliceous slate with veins of quartz.
2. Quartzite.
3. Altered grit,
4. Conglomerate.
5. Crystalline sandstone.
6. Quartz.
-
Tertiary—
- Sandstones, indurated clays, shales, limestone, drift gravel, lignite.
Bed of Waipare, tributary of Whanganui—
- Silicious slate with quartz veins.
- Silicious slates and crystalline sandstone gravel with a few boulders of igneous rocks.
-
Tertiary—
- Sandstones and indurated clays, drift gravel, lignite.
1. |
Silicious slate. |
2. |
Do, with quartz veins. page 19 |
3. |
Altered slate. |
4. |
Jasper. |
5. |
Jasper and quartz. |
6. |
Crystalline sandstone. |
Tertiary—
|
1. |
Silicious slates and crystalline sandstone gravel. |
2. |
Slate. |
3. |
Carbonate of lime (veinstone) |
East Coast country, valley of Upoko Ngaruru—
-
Igneous, plutonic.
- Hornblendic rock (not “in situ.”)