In 1650 Archbishop James Ussher gave a biblical account of the age of the Earth, using an Old Testament period event that corresponded to a known historical date. The death of the Babylonian King Nebuchadnezzar in 562 BC. Then by adding up the generations of the prophets, patriarchs and the 139 genealogies of the Old Testament from Adam to Nebuchadnezzar, Usser came to the conclusion the date of the Earth was October 22, 4004 BC at 6PM, which was a Saturday. Ussher's dating of the earth was considered authoritative and is still in use today by some clerics.
There was yet another method of dating the Earth using rock sediments of the planet, or “sedimentary sequences”. The problem with counting layers of sediment rock, is that sediments were thought to be 1000 years old per foot of sedimentary layers.
However, with catastrophic flooding events like Noah’s ark for example, these measurements changed to a foot of sediment every few days giving planetary dates ranging from 3 million to 15 billion years. Even the deepest layers of rocks are not the oldest things on earth, rocks cannot survive the violence of earths evolution over time.
Objects from space were the best calculation, fragments from an iron asteroid that made a crater in the Grand Canyon that later became Arizona, survived intact. Fragments from the asteroid on the earth would indicate the age of the solar system, including the earth.
Picking a rock from this area reveals, that the rocks start out radioactive and experience multiple transmutations, until it becomes the stable atom of lead.
Examining a section of the meteorite, while knowing the constant rate of uranium decay, you can determine the age of the meteor. Then by measuring the amount of lead in the meteor and you can learn the age of the Earth. At least this was the reasoning.
Clair Cameron Patterson dated the planet by using the mass spectrometer at the Argonne National Laboratory on an isolated segment of the iron-meteorite, he examined data on the uranium and lead isotopes in the meteorite. With the new data, in 1956 he published “Age of Meteorites and the Earth”, the first paper containing the true age of the solar system’s accretion, which was 4.550Gy ± 70My, which is to say the World is 4.55 billion years old.
The early conclusions that date the world as 4-6 thousand years was solely based on approximations using scripture, without considering the depth of the meaning of Genesis 1:1-2
1 "In the beginning God created the heaven and the earth.
2 And the earth was without form, and void; and darkness was upon the face of the deep. And the Spirit of God moved upon the face of the waters".
Man cannot know how long the Universe and the world has existed, before man was placed on the planet. Even the conclusion of science that the world is 4.55 billion years old, is guesswork, because the meteorite used to date the planet struck the earth which was already in existence in order for the meteor to hit the earth in the first place. What we learned from sciences dating, was that a single meteor in the expanse of the Universe, which is riddled with planets, asteroids and meteors, was 4.55 billion years old, it could have been a baby by comparison to the true existence of the universe.
So we must conclude..
8 "For my thoughts are not your thoughts, neither are your ways my ways, saith the Lord.
9 For as the heavens are higher than the earth, so are my ways higher than your ways, and my thoughts than your thoughts".