'Among the oldest rocks on Earth are 4-billion-year-old pieces of this, from which New Hampshire gets its nickname'
granite
ROCK: Among the oldest rocks on Earth are 4-billion-year-old pieces of this, from which New Hampshire gets its nickname
Among the oldest rocks on Earth are 4-billion-year-old pieces of this, from which New Hampshire gets its nickname
Among the oldest rocks on Earth are 4-billion-year-old pieces of this, from which New Hampshire gets its nickname
ROCK
granite
ROCK