gold
The first metal discovered by man was gold and it was mainly used for decoration purpose.
COPPER
Metal was not available to 'stone age' man, it had not been discovered.
Man discovered that metal could be melted by taking matal and then putting it near a natural forms of fire. therefore it melted.
By the first cave man.
the first man elephant.
The first Moari believed to have discovered New Zealand was a man named 'Kope'.
al geber [an arab man]
Gun powder was discovered by the Chinese in the 8th century, however Europeans were the first to use it in warfare to propel spears and later metal balls. - Mike the Genius
Iron
copper
Gold.