An Australian metal detectorist found a “gold rock” that he couldn’t crack with drills or a sledgehammer. It turned out to be 4.6-billion-year-old meteorite.

An Australian metal detectorist found a “gold rock” that he couldn’t crack with drills or a sledgehammer. It turned out to be 4.6-billion-year-old meteorite.


September 9, 2025 | Peter Kinney

An Australian metal detectorist found a “gold rock” that he couldn’t crack with drills or a sledgehammer. It turned out to be 4.6-billion-year-old meteorite.


A Gold Nugget That Wasn’t

A heavy stone fooled even the sharpest prospector’s eye. Instead of wealth, the find turned out to be far older and rarer, holding stories that stretch back billions of years.

A Geologist

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A Strange Find In Victoria

In May 2015, prospector David Hole wandered into Maryborough Regional Park near Melbourne, Australia, once alive with the gold rush. His detector screamed over something sitting right on the ground. Curious, he bent down and lifted a reddish-brown rock so heavy it startled him.

Bas GeerlingsBas Geerlings, Pexels

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Goldfields Of Victoria

The 1850s turned Australia's state of Victoria into one of the world’s richest gold regions. Maryborough buzzed with miners who dug and blasted for fortune. Long after, hobbyists with buzzing detectors still sweep the same ground, with the hope that some overlooked glimmer of gold might reward their patience.

File:Chinese Encampment Guildford.jpgRichard Daintree, Wikimedia Commons

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Maryborough Regional Park

About 104 miles northwest of Melbourne, this quiet park holds both eucalyptus forest and forgotten mining scars. Yellow-brown clay underfoot hides veins of quartz. And even today, hints of 19th-century digging poke through.

Maryborough Regional ParkI Vlog At Maryborough Park by AMB One

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David Hole Prospector

David Hole was no mining baron. He was a local with persistence, walking the same trails countless weekends with his detector. Like others, he hunted for nuggets buried in Victoria’s legendary fields and hoped that his patience might deliver a discovery worth bragging about.

Cosmin GavrisCosmin Gavris, Pexels

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The Detector’s Sudden Beep

Then came the moment. The detector wailed loudly, unlike its usual chatter. Expecting quartz carrying gold, Hole stopped short. Resting on the clay wasn’t glitter but an oddly dense rock. The surprise made him freeze, unsure what he had just uncovered.

File:Ricerca metal detector gfr.jpgGFR gfresources, Wikimedia Commons

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Heavy Red Brown Stone

When he held it, the stone’s weight shocked him. At thirty-seven pounds, its mass felt uncanny for something smaller than a football. Its surface was rust-red with iron stains, its texture rougher than nearby rocks, and its density set it apart from anything he had lifted before.

File:Gibeon meteorite, National Maritime Museum2.jpgBen Sutherland, Wikimedia Commons

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Why It Seemed Like Gold

Gold fever leaves strong echoes in Maryborough. A heavy lump with reddish tones could easily be mistaken for oxidized ore. With the district’s past brimming with nuggets, Hole convinced himself this stubborn rock was the rare treasure others had missed.

File:Roasted Cripple Creek gold ore.jpgJames St. John, Wikimedia Commons

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The Rock Would Not Crack

Curiosity led him to test it. A drill whined uselessly against the surface, which left shallow dents. He tried an angle grinder next, yet only scratches appeared. Even soaking it in acid failed, and reports also claimed that a sledgehammer barely made a mark.

j.mt_photographyj.mt_photography, Pexels

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The Rock Would Not Crack (Cont.)

If you'd take a close look, you'd see the battle recorded. Tools left dots and stains, but nothing ever changed, and he never emerged victorious. The stone’s refusal to yield made it clear it was unlike anything dug up nearby.

Matthias ZomerMatthias Zomer, Pexels

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Kept In The Shed

Unable to solve the puzzle, Hole placed the stubborn rock in his shed. It stayed there for years among tools and odds and ends. Its strange heft made it hard to toss aside, so he let it rest, waiting for an answer.

Tanner VoteTanner Vote, Pexels

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Kept In The Shed (Cont.)

No hint of gold shone on its surface, only strange dimples that made no sense to him. Gold buyers weren’t interested in it, so it gathered dust. Year after year, the rock sat quietly until he finally went looking for answers.

Yaroslav ShuraevYaroslav Shuraev, Pexels

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Why He Held Onto It

What made him keep it? The sheer weight and density were unusual. Failed tools hinted at hidden metal inside. Friends couldn’t solve the mystery either, which only fueled his curiosity. Frustration, eventually, turned into determination, and he never let it go.

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Decision To Seek Identification

After years of guessing, Hole delivered the rock to Museums Victoria in 2018. Staff were used to examining “meteor-wrongs”. Still, he was convinced his unusual find deserved a closer look and hoped this time the verdict would finally be certain.

Chokniti KhongchumChokniti Khongchum, Pexels

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Trip To Melbourne Museum

At the museum, his stone entered one of Australia’s biggest meteorite collections. The staff documented everything carefully. They photographed the object and even prepared a slice for study. The unusual surface markings suggested this rock might not be like the others.

File:Melbourne Museum panorama.jpgUser:Tirin, Wikimedia Commons

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Visual Signs Of A Meteorite

At first glance, experts were struck by its rusty red surface, a clear sign of iron oxides forming during years in the soil. The unusual texture set it apart by hinting that this rock might have a story very different from ordinary stones around it.

File:Gibeon Meteorite.jpgHowardites Meteorites, Wikimedia Commons

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First Look By Geologists

Geologist Dermot Henry examined the piece, and he noticed its striking density when handled. On one side, shallow thumbprint-like shapes called regmaglypts stood out. Such features often form when a meteorite burns through the atmosphere, which gave the experts a strong first clue.

Geologist Dermot HenryWhat's a meteorite? by MV Teachers

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Magnetic And Density Clues

A simple magnet test, then, revealed a strong pull, pointing toward nickel and iron within. Scientists wanted to peek inside, so they used a diamond saw to slice the rock. The slab, weighing roughly 1.5 pounds, confirmed a density of 3.32 grams per cubic centimeter.

File:Horseshoe magnet metal shavings.jpgMaciej J. Mrowinski, Wikimedia Commons

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Cutting The First Slice

That’s equal to about 119 pounds per cubic foot, clear evidence that this curious specimen had traveled to Earth from space. Shiny flecks of metal also appeared in the cut and set the stage for a detailed microscopic study.

File:NWA 5930 Meteorite Thin Section Chondrule - Image 7.jpgSolar Anamnesis, Wikimedia Commons

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Metal And Chondrules Inside

Under the microscope, tiny round beads called chondrules appeared, each about the size of a pinhead. It was probably created when early dust melted and cooled. Scientists even found nickel mixed with iron and a sulfur mineral called troilite, proving that this rock was indeed a stony meteorite.

File:10499 - Detailed Slice.pngAhmad Fairuz, Wikimedia Commons

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Metal And Chondrules Inside (Cont.)

Other metallic phases in the meteorite include kamacite, taenite, and tetrataenite. These often occur as composite grains intergrown with troilite, forming distinct composite grains. Their presence is typical of equilibrated chondrites, and no signs of shock-related deformation were observed.

File:Microscopic photo of a meteorite slice.jpgEstephend, Wikimedia Commons

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Metal And Chondrules Inside (Cont.)

The classification became official: it was an H5 ordinary chondrite. It received the name Maryborough in December 2018. And today, the main mass is cataloged at Museums Victoria under the code E19297. Radiocarbon testing suggested it landed less than a thousand years ago.

File:Plainview (1917) meteorite.jpgJon Taylor, Wikimedia Commons

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Understanding H Chondrite Meteorites

H chondrites are characterized by high total iron and a substantial amount of metallic Fe–Ni, typically comprising 15–20% of their mass, and containing smaller chondrules compared to others. Approximately 42% of all ordinary chondrite falls belong to this group.

File:Chondrite H5.JPGDidier Descouens, Wikimedia Commons

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Age Of 4.6 Billion Years

Those chondrules formed when dust in the early solar system briefly melted and cooled. Scientists dated them to about 4.6 billion years ago, which is as old as Earth itself. That age makes such meteorites remarkable cosmic time capsules.

File:Andromeda Galaxy (with h-alpha).jpgAdam Evans, Wikimedia Commons

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Age Of 4.6 Billion Years (Cont.)

The age tells scientists these rocks never melted inside a planet and so preserved early conditions. By studying them, researchers learn how dust turns into solid bodies, how elements are mixed, and how our solar system grew from a cloud of gas and rock.

File:Good Morning From the International Space Station.jpgScott Kelly, Wikimedia Commons

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Origin In The Asteroid Belt

Maryborough belongs to a group of space rocks called ordinary chondrites, born from asteroids that never melted completely. Its parent asteroid circled between Mars and Jupiter, but due to collisions, one of its pieces eventually wandered into Earth’s path and landed here.

File:Webb Detects Extremely Small Main Belt Asteroid (52672254127).jpgNASA's James Webb Space Telescope from Greenbelt, MD, USA, Wikimedia Commons

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Estimated Time Of Fall

Carbon-14 testing showed the stone had been on Earth less than a thousand years. That means it probably fell between one hundred and one thousand years ago. Mild rusting on the surface matched this relatively recent arrival in Victoria’s soil.

Robert GruszeckiRobert Gruszecki, Pexels

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Named Maryborough Meteorite

The Meteoritical Society officially approved its name in 2018. It was listed as Maryborough after the town near where it was discovered. The entry joined the global Meteoritical Bulletin Database by cementing its place in both Australian and international records.

File:VLine train at Maryborough.jpgMarcus Wong Wongm, Wikimedia Commons

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Named Maryborough Meteorite (Cont.)

This official listing means scientists anywhere can locate its data and request study samples. Catalog numbers help track specimens in museum collections to ensure researchers know exactly which meteorite they are examining and how it fits into Victoria’s small but important group of recorded finds.

File:MaryboroughMainStreet2.JPGMattinbgn, Wikimedia Commons

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Second Largest In Victoria

At thirty-seven pounds, the Maryborough meteorite is Victoria’s runner-up in size. The champion remains Kulnine at a hefty 121 pounds. Most other state discoveries are much smaller, so its bulk gave scientists an unusually generous sample for research and testing.

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One Of Seventeen In Victoria

Victoria’s meteorite roster is tiny, with just seventeen names on the list. Maryborough joined in 2018, the latest addition to this rare lineup. Few witnessed falls have been recorded, which makes each new find a significant piece of the puzzle.

Pavel PolyakovPavel Polyakov, Pexels

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Size And Shape Measurements

The Maryborough meteorite didn’t look neat or polished. It stretched about fifteen inches long, while its sides measured roughly six inches. That uneven shape resulted from its fiery descent through the atmosphere and the gentle weathering it experienced as it rested in the soil.

Dawid MałeckiDawid Małecki, Pexels

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Difference From Iron Meteorites

Maryborough is made mostly of stony minerals, not solid iron. Specks of nickel and iron are mixed inside like sprinkles in dough. This makes it very different from Victoria’s Willow Grove meteorite, which is almost entirely iron and is far shinier in appearance.

File:TamentitMeteorite.JPGJi-Elle, Wikimedia Commons

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Comparison With Murchison

In 1969, the Murchison meteorite landed in Victoria. It belongs to a group called carbonaceous chondrites, which are famous for containing organic compounds such as amino acids. Maryborough, an H5 ordinary chondrite, has no organics but still tells a valuable story about our solar system’s past.

 Murchison meteoriteMurchison meteorite: The rarest of meteorites by ABC Science

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Comparison With Ballarat

The Ballarat meteorite is another Victorian find, but very different in condition. It is a fossil iron meteorite, meaning it spent so long in the ground that its metals altered into minerals. Maryborough, in contrast, stayed fresh to offer scientists a much clearer sample to study.

Ballarat meteoriteDangerously Close Meteor Strikes Australian Beach by OWS

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Added To The State Collection

Museums Victoria accepted Maryborough in 2018. The main rock was cataloged as specimen E19297, and a cut slice was recorded as E19296. Today, both pieces are preserved carefully in the state collection, where they remain available for research and public reference.

File:Museums Victoria.jpgSgroey, Wikimedia Commons

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On Display At The Museum

After scientists finished their analysis, the Maryborough meteorite went straight into the spotlight at Melbourne Museum. Visitors could finally see the cut surface, which gleamed with metal flecks, and understand why this strange rock had captured so much scientific attention.

File:Melbourne Museum (217000837).jpegFrancisco Anzola, Wikimedia Commons

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National Science Week Feature

During National Science Week, Maryborough was displayed openly as a headline attraction. The exhibit told the story of its discovery, fall, and age. Crowds gathered, curious to meet a rock older than Earth’s mountains yet found in their own state.

National Science WeekNational Science Week 2020 - Sneak Preview of Events by Science & Technology Australia

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Many Finds Are Meteor Wrongs

Museums are flooded with rocks people swear are from space. But almost all prove to be ordinary Earth stones. Geologist Dermot Henry admitted that in nearly four decades on the job, he found only two real meteorites—and Maryborough was one of them.

Geologist Dermot HenryInterview with Lisa Gorman and Dermot Henry where they discuss our Geoscience Collection by Museums Victoria

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Many Finds Are Meteor Wrongs (Cont.)

This rarity highlights why scientists value such finds. Every genuine specimen adds to our understanding of space debris reaching Earth. Maryborough’s confirmation was not only surprising for Henry but also a reminder that persistence sometimes uncovers true treasures among countless false leads.

File:Fake meteorite (44874140491).jpgCarlos Ebert from São Paulo, BrazilGRU, Wikimedia Commons

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How To Spot A Space Rock

A real meteorite feels heavier than it looks. Most tug strongly on a magnet because of their nickel-iron mix. Surfaces sometimes show shallow dimples from flight. What they never have are bubbles or holes, which are typical in industrial slag.

File:Nugget From Outer Space.jpgSteve Jurvetson, Wikimedia Commons

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Why This Find Matters To Science

This meteorite is like a time capsule from the solar system’s childhood. Its chondrules and mineral mix help scientists confirm H-group data. It also strengthens Victoria’s limited record by giving researchers valuable comparisons with meteorites from other corners of the world.

ResearcherMeet the Meteorite Expert with Space Rocks Older Than Earth! by Emily Driscoll

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Scientific Value Over Gold

Gold might buy wealth, but a meteorite like this buys knowledge. Its preserved details revealed secrets no nugget ever could. By bringing it forward, Hole safeguarded a scientific treasure. Museums, in turn, keep their value measured not in dollars but in discoveries.

File:Meteorite in the American Museum of Natural History, New York City, 20231005 140845.jpgJakub Hałun, Wikimedia Commons

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Headlines And Public Interest

Media outlets quickly jumped on the twist of a rock mistaken for gold by revealing itself as a meteorite. ABC and ScienceAlert covered the story at length about the backyard discovery, which carried an age exceeding Earth’s four and a half billion years.

MART  PRODUCTIONMART PRODUCTION, Pexels

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A Find That Changed A Life

David Hole never struck gold, yet he struck history. His rock became part of Victoria’s scientific record. It connected local goldfields with cosmic origins, which shows how persistence can turn a stubborn stone into a story stretching back billions of years.

File:Scienceworks Science Museum.jpgCameron Burke, Wikimedia Commons

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