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The Independent
11 hours ago
- Science
- The Independent
Scientists think they have found the oldest rocks on earth
A new study has pinpointed what could be the oldest rocks on Earth, found within a remote Canadian rock formation, offering fresh insights into our planet's earliest history. The Nuvvuagittuq Greenstone Belt, located on the eastern shore of Hudson Bay in Quebec, has long been recognised for its ancient geological formations. However, the precise age of these streaked grey stones has been a subject of scientific contention for decades. Research from two decades ago suggested the rocks could be as old as 4.3 billion years, placing them firmly in Earth 's infancy. Yet, other scientists challenged this, arguing that long-ago contaminants had skewed the dating methods, proposing a younger age of 3.8 billion years. In a bid to resolve this long-standing debate, researchers in the latest study sampled a distinct section of rock from the belt. Employing both of the previously used dating techniques – which measure the decay of radioactive elements over time – they arrived at a refined age. Their findings indicate the rocks are approximately 4.16 billion years old, a figure that bridges the gap between earlier estimates and provides a more precise timeline for these ancient geological wonders. This discovery not only refines our understanding of the Nuvvuagittuq Greenstone Belt's immense age but also contributes significantly to the broader scientific effort to map the earliest chapters of Earth 's formation. The different methods "gave exactly the same age,' said study author Jonathan O'Neil with the University of Ottawa. The new research was published Thursday in the journal Science. Earth formed about 4.5 billion years ago from a collapsing cloud of dust and gas soon after the solar system existed. Primordial rocks often get melted and recycled by Earth's moving tectonic plates, making them extremely rare on the surface today. Scientists have uncovered 4 billion-year-old rocks from another formation in Canada called the Acasta Gneiss Complex, but the Nuvvuagittuq rocks could be even older. Studying rocks from Earth's earliest history could give a glimpse into how the planet may have looked — how its roiling magma oceans gave way to tectonic plates — and even how life got started. 'To have a sample of what was going on on Earth way back then is really valuable,' said Mark Reagan with the University of Iowa, who studies volcanic rocks and lava and was not involved with the new study. The rock formation is on tribal Inukjuak lands and the local Inuit community has temporarily restricted scientists from taking samples from the site due to damage from previous visits. After some geologists visited the site, large chunks of rock were missing and the community noticed pieces for sale online, said Tommy Palliser, who manages the land with the Pituvik Landholding Corp. The Inuit community wants to work with scientists to set up a provincial park that would protect the land while allowing researchers to study it. 'There's a lot of interest for these rocks, which we understand,' said Palliser, a member of the community. 'We just don't want any more damage.'
Associated Press
27-01-2025
- Business
- Associated Press
SYM DEADLINE ALERT: Kessler Topaz Meltzer & Check, LLP Announces Deadline in Symbotic Inc. (SYM) Securities Fraud Class Action Lawsuit
RADNOR, Pa.--(BUSINESS WIRE)--Jan 27, 2025-- The law firm of Kessler Topaz Meltzer & Check, LLP ( informs investors that a securities class action lawsuit has been filed against Symbotic Inc. ('Symbotic') ( NASDAQ: SYM) on behalf of those who purchased or otherwise acquired Symbotic securities between February 8, 2024, and November 26, 2024, inclusive (the 'Class Period'). The lead plaintiff deadline is February 3, 2025. CONTACT KESSLER TOPAZ MELTZER & CHECK, LLP: DEFENDANTS' ALLEGED MISCONDUCT: The complaint alleges that, throughout the Class Period, Defendants made materially false and/or misleading statements, as well as failed to disclose material adverse facts about the company's business, operations, and prospects. Specifically, Defendants failed to disclose to investors that: (1) Symbotic improperly accelerated its revenue recognition in its second and third quarter 2024 financial statements; (2) the company had a material weakness in its internal controls over financial reporting; and (3) as a result of the foregoing, Defendants' positive statements about the company's business, operations, and prospects were materially misleading and/or lacked a reasonable basis. THE LEAD PLAINTIFF PROCESS: Symbotic investors may, no later than February 3, 2025, seek to be appointed as a lead plaintiff representative of the class through Kessler Topaz Meltzer & Check, LLP or other counsel, or may choose to do nothing and remain an absent class member. A lead plaintiff is a representative party who acts on behalf of all class members in directing the litigation. The lead plaintiff is usually the investor or small group of investors who have the largest financial interest and who are also adequate and typical of the proposed class of investors. The lead plaintiff selects counsel to represent the lead plaintiff and the class and these attorneys, if approved by the court, are lead or class counsel. Your ability to share in any recovery is not affected by the decision of whether or not to serve as a lead plaintiff. Kessler Topaz Meltzer & Check, LLP encourages Symbotic investors who have suffered significant losses to contact the firm directly to acquire more information. ABOUT KESSLER TOPAZ MELTZER & CHECK, LLP: Kessler Topaz Meltzer & Check, LLP prosecutes class actions in state and federal courts throughout the country and around the world. The firm has developed a global reputation for excellence and has recovered billions of dollars for victims of fraud and other corporate misconduct. All of our work is driven by a common goal: to protect investors, consumers, employees and others from fraud, abuse, misconduct and negligence by businesses and fiduciaries. The complaint in this action was not filed by Kessler Topaz Meltzer & Check, LLP. For more information about Kessler Topaz Meltzer & Check, LLP please visit May be considered attorney advertising in certain jurisdictions. Past results do not guarantee future outcomes. Jonathan Naji, Esq. (484) 270-1453 280 King of Prussia Road Radnor, PA 19087 SOURCE: Kessler Topaz Meltzer & Check, LLP Copyright Business Wire 2025. PUB: 01/27/2025 02:02 PM/DISC: 01/27/2025 02:02 PM
