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Marble Bar Meteorite Impact Spherule Bed [61 gm ~ 3.47 Ga]

Brand : Jensan Scientifics LLC

$295.00
SKU:
JPT-77238
Condition:
New
Availability:
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Weight:
1.00 LBS
Minimum Purchase:
1 unit
Maximum Purchase:
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Marble Bar: Explore Earth’s Meteorite Impact History

This rare geological specimen is a remnant of the late heavy bombardment (LHB), a period marked by intense meteorite and asteroid impacts. Uncover the secrets of the Archean era with this Marble Bar impact spherule ejecta from the Pilbara Craton, Western Australia.

Key Features

  • Silicified Impact Spherules
  • Contains Fe-rich rims primarily composed of secondary siderite, with high nickel (Ni) abundances and Ni/Cr ratios.
  • Represents hypervelocity impacts that shaped the Pilbara Craton, evidenced by spherule beds with microtektites, microkrystite spherules, iridium anomalies, and nickel-rich minerals.
  • Associated with unconformities, banded iron formations, major faulting, erosion, and depositional features.

Specifications

  • Size: 59mm L x 58mm W x 9mm D
  • Weight: 61.2 grams
  • Age: ~3.47 billion years (Duffer Formation, Marble Bar Chert Member)

Contents

  • Impact spherules intermixed with chert fragments and iron-rich spherules with secondary siderite.
  • High nickel abundance in spherule rims.
  • Matrix primarily composed of arenite with spherule lenses within bedded chert.
  • Evidence of fragmentation and tsunami action, with iridium levels at two ppb.

Included with Purchase

  • Tag and tag stand
  • Information about the specimen
  • Certificate of Authenticity

Note: Plexiglass bases and photo cube are not included.

Makes a Terrific Addition to Impact Collections!

This Marble Bar impact spherule ejecta is a fascinating addition to any geological collection, offering a tangible connection to our planet’s distant cosmic past.

This scientific material is Guaranteed Authentic. It was professionally and legally collected and arrives with a Certificate of Authenticity and information about Marble Bar, Pilbara Craton, Western Australia.