Physical · 1957

Ubatuba Magnesium Fragments
Documented report. Unresolved object.

In September 1957, fragments reported to be from a disc near Ubatuba, Brazil were analysed as magnesium.

September 1957Ubatuba, BrazilEvidence-led case filePhysical

01 / why this case matters

Why This Case Matters

Ubatuba matters because it is a physical-evidence case with a documented analysis.

02 / the case

What is documented.

Documented

Fragments reported to be from a disc were received

Documented

The fragments were analysed as magnesium

03 / what is debated

What remains contested.

Debated

The origin of the fragments

04 / what remains unverified

Beyond the record.

Unverified

Extraterrestrial origin

05 / what the record establishes

Keep the layers apart.

Record element

What it supports

What it does not settle

Witness report

A documented report exists.

The objective identity of the object.

Official investigation

That the case was investigated where documented.

That an extraordinary cause was proven.

Conventional reading

That a conventional explanation exists where documented.

That the conventional explanation closes the case.

06 / source room

Follow the paperwork.
Keep the claims apart.

Sources are kept in separate layers: official and contemporary material is documented; secondary UFO literature is treated as debated, not as primary evidence.

scientificPeter A. Sturrock — Physical Evidence Related to UFO Reports (1998)

Secondary / debated material.

Ubatuba Magnesium FragmentsDocumented report. Unresolved object.