What are the commonly available rocks in Fiji?

The main rock-types are tonalite and gabbro, and there is a marginal facies dominated by trondhjemite, diorite and hornblende andesite-microdiorite.

What are the three types of rocks found in Fiji?

Example of this type of rock in Fiji include sandstone, siltstone and mudstone.

How can I identify a rock at home?

Try to scratch each rock with your fingernail, which can help you identify it by its hardness. The harder a rock is, the more likely it is to be valuable; geologists use the Mohs Hardness Scale to gauge rocks.

What is the geology of Fiji?

Fiji has a complex geologic history. Based on a submerged platform of ancient formation, the Fiji islands are largely the product of volcanic action, sedimentary deposit, and formations of coral. Viti Levu has an area of about 4,000 square miles (10,000 square km) and accounts for more than half of Fiji’s land area.

Where can I find pictures of basalt rock?

Browse 7,029 basalt rock stock photos and images available or search for granite or basalt stone to find more great stock photos and pictures. This picture taken on July 19, 2019 shows the terrain where NASA’s new robotic space explorer is been tested at their base at the Lambahraun lava…

What kind of rocks are found in Fiji?

In Fiji we find organic-rich limestones (at Cuvu near Sigatoka), and peat bogs which repre- sent the first stage of coal formation. Phosphate deposits in Lau and the Island nation Nauru are organic sedimentary rocks derived from the ex- creta of sea-birds.

Where are the basalt rock formations in Iceland?

This picture taken on July 19, 2019 shows the terrain where NASA’s new robotic space explorer is been tested at their base at the Lambahraun lava… Jokla glacial river and basalt columns, volcanic rock formations at Studlagil / Stuolagil Canyon, Jokuldalur / Glacier Valley, Austurland, Iceland.

Where are the gold and copper found in Fiji?

At Fiji’s largest gold mine , at Vatukoula, the gold is concentrated within extrusive volcanic rocks in the walls of a large volcanic caldera. At Namosi, near Suva, the copper minerals occur with both ex- trusive and Intrusive igneous rocks.