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description: Dating > Dating moon rocks
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# Dating moon rocks

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The method works well on subaerial lava flows, but not on most submarine pillow basalts because they commonly trap excess 40Ar when they solidify. I'd look through rock collections at colleges and universities. As an example, an article in Science magazine vol. Bound-state beta decay A special kind of beta decay in which an electron is given off by the nucleus, and the electron ends up in an inner orbital, or electron shell.\
&#x20;![dating moon rocks](http://slideplayer.com/6300214/21/images/66/Dating+the+Solar+System.jpg)\


When sediment is not being deposited, or when erosion is note previously deposited dating moon rocks, there will not be a continuous record of sedimentation preserved in the rocks. Sometimes these bands are visible to the naked eye; usually, however, they are more visible in an x-ray like the one shown at right. The oldest rocks on Earth found so far are the Acasta Custodes in northwestern Canada near Great Slave Lake 4. For example, uranium turns into lead very slowly. This article has been rated as Top-importance on the project's. These findings suggest that the Moon was formed roughly 60 million years after the Solar System first formed, making it up to 140 million dating moon rocks older than previous estimates. Spontaneous breakdown or decay of atomic nuclei, termed radioactive decay, is the basis for all radiometric dating methods. Planetary Science Research Discoveries. Some think that lots of rocks were attracted by gravity to form the Sin while fewer rocks were attracted by gravity to form the Moon.

The Moon is the one planet other than Earth for which we have rocks that were picked up in known locations. Wiens received a bachelor's degree in Physics from Wheaton College and a PhD from the University of Minnesota, doing research on meteorites and moon rocks. For most of us half-life is easier to understand.\
&#x20;![dating moon rocks](http://2.bp.blogspot.com/-iLaxArCAejw/TeAkEmwXYLI/AAAAAAAAAFc/fr-SOfWbleI/s400/T-EvolutionRing_Detail.gif)\


**The Age of the Earth** - Because they have no charge and little or no mass, neutrinos do not interact much with matter — most pass unimpeded right through the Earth — and they can be detected experimentally only with great difficulty.\
&#x20;![dating moon rocks](https://upload.wikimedia.org/wikipedia/commons/thumb/2/29/Lunar_Olivine_Basalt_15555_from_Apollo_15_in_National_Museum_of_Natural_History.jpg/1200px-Lunar_Olivine_Basalt_15555_from_Apollo_15_in_National_Museum_of_Natural_History.jpg)\


These findings suggest that the Moon was formed roughly 60 million years after the Solar System first formed, making it up to 140 million years older than previous estimates. In case you need a refresher, the Moon is thought to have formed from the leftover matter that was sheared off Earth after a - a planet-sized object that existed in the early Solar System - or perhaps a bunch of smaller objects. The impact that formed the Moon could have been large enough to wipe out any living thing on Earth, so knowing when that collision occurred is important if we hope to understand the evolution of our own planet, and when early life took root here. And the new research suggests that it happened earlier in the timeline of the Solar System than we thought - just 60 million years after our star system's birth, compared to previous estimates of afterwards. To come up with the new lunar age estimate, the team analysed Moon rocks taken from the lunar surface during the Apollo 14 mission. The reason we've never been able to accurately date the age of the Moon in the past is that there's very few well-preserved Moon rocks left on its surface. Most of the rocks brought back by Apollo astronauts are - mixes of different rocks that have been mashed together by the meteorite strikes that plague the Moon, thanks to its lack of atmosphere. So instead of trying to find chunks of rock that had been there since the early days, the team instead turned to zircon - a mineral that would have formed as the Moon was cooling from its fresh, molten state into the rocky satellite we see today. Once formed, zircon crystals stay perfectly intact as little time signatures of geological events. Studying zircon allows researchers to see when parts of the rock solidified, which is exactly what they needed to figure out when the Moon had fully formed. This required them to liquefy the zircon samples in acid, destroying the space rock artefacts. But , the team was able to pull out four different elements: uranium, lead, lutetium, and hafnium. The ratios of lutetium and hafnium in the zircon also indicated how long the mineral had been around for. Combining these analytical techniques, the team found , making it far older than we previously thought, and providing us with a more accurate picture of how our Solar System formed. Hopefully, as these measurements become more and more precise, we will gain a full understanding of how the Moon - and the rest of the Solar System - formed, giving us more details about life on Earth, and the possibility of life on other planets. The study has been published in.
