Yellow gemstones meaning is enlightening, wisdom, Cheeriness, joy, action, optimism, happiness, idealism, summer, hope, imagination, sunshine, philosophy, youth. The color yellow also symbolizes the sun. For those born in the month of November, Yellow is the color of their birthstones as yellow Topaz and Citrine.
The Cretaceous Period (146-65 million years ago). In the early Cretaceous, many of the southern continents were still joined together as part of the southern landmass called Gondwana.Northern continents formed the great landmass Laurasia. Australia was joined to Antarctica, New Zealand and South America, forming the last remnant of the great southern landmass called Gondwana. 2  About 80 million years ago New Zealand drifted away from the rest of Gondwana. 3  The Australian part of Gondwana was located close to the South Pole.
a large supercontinent that existed in the southern hemisphere, clustered near the Antarctic Circle, before it began to break up ~200 million years ago, consisting of the modern day continents of Antarctica, India, Australia, South America and Africa.Breakup of Gondwanaland.hen Pangaea broke up, the northern continents of North America and Eurasia became separated from the southern continents of Antarctica, India, South America, Australia and Africa. The large northern continent is called Laurasia and the southern continent is called Gondwanaland.