Spark Expands Arapaima’s Gallium–Rare Earth Portfolio with Boa Vista Surface Results

Original announcement by cse on

Company
Spark Energy Minerals Inc.
Ticker
SPRK
Exchange
CSE
Region
Minas Gerais, Brazil
Primary commodity
Gallium
Secondary commodities
Rare earth, Scandium, Niobium, Neodymium praseodymium
Document categories
Drill results, Other
Extracted
2026-09-24 17:37:30 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

Spark Energy Minerals Inc. reported high-grade surface sampling results from its Boa Vista target at the Arapaima Project in Brazil, identifying it as a second mineralized center for gallium and rare earth elements. Soil samples returned up to 134.4 g/t Ga₂O₃, and stream sediments showed up to 1.0% TREO, with these results correlating well with previous near-surface drilling. The findings provide a strong foundation for follow-up exploration and drilling to define the extent and sources of mineralization.

Reasoning: New high-grade surface sampling results for gallium and rare earth elements at the Boa Vista target expand the company's critical minerals portfolio and provide strong vectors for follow-up drilling, although these are early-stage exploration results.

Positive factors

  • High-grade gallium and rare earth results from surface samples
  • Identification of a second mineralized center (Boa Vista)
  • Surface geochemistry correlates with previous drilling
  • Guidance for future exploration and drilling
  • QA/QC disclosed

Negative factors

  • Surface samples are early-stage and not definitive
  • No new drill results reported in this release
  • No mineral resource or economic analysis yet
  • Scandium metallurgical recovery not demonstrated

Low confidence — this extraction should be reviewed alongside the original source.

Facts used in scoring: 5

Extracted facts

Stored fact records: 5. Some facts used in scoring do not have a stored record.

Drill Results (5)

Fact 1Arapaima · galliumGrade: 83.3Grade Unit: g/tView all details
Link to this fact

Identity

Project
Arapaima
Commodity
gallium
Region
brazil
Reported Region
Minas Gerais, Brazil
Ticker
SPRK

Geometry

Grade
83.3
Grade Unit
g/t

Classification

Sample Type
surface

Location

Location
Boa Vista
Easting
237553
Northing
8109662
CRS
UTM zone 22S
EPSG
32722
Loc. Confidence
medium
Loc. Source
document

QA/QC

Laboratory
SGS Geosol Ltda
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
blanks, duplicates, standards

Deleterious

Deleterious Flag
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-24T00:00:00.000Z

Reasoning: High-grade gallium in a soil sample indicates potential mineralization at the new Boa Vista target.

Positive factors

  • High grade
  • New target identified

Negative factors

  • Early stage exploration
  • Surface sample only
  • Cut-off undisclosed

Evidence · table

“83,3”

Context: ARA-SL-034

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

Penalty elements (arsenic, antimony, etc.) or refractory concerns noted in the release.

Why it applies: deleterious_flag is true

Fact 2Arapaima · scandiumGrade: 16.9Grade Unit: g/tView all details
Link to this fact

Identity

Project
Arapaima
Commodity
scandium
Region
brazil
Reported Region
Minas Gerais, Brazil
Ticker
SPRK

Geometry

Grade
16.9
Grade Unit
g/t

Classification

Sample Type
surface

Location

Location
Boa Vista
Easting
237553
Northing
8109662
CRS
UTM zone 22S
EPSG
32722
Loc. Confidence
medium
Loc. Source
document

QA/QC

Laboratory
SGS Geosol Ltda
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
blanks, duplicates, standards

Deleterious

Deleterious Flag
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-24T00:00:00.000Z

Reasoning: Scandium presence in a soil sample contributes to the critical minerals portfolio at Boa Vista, though metallurgical recovery is unproven.

Positive factors

  • Presence of critical mineral
  • New target identified

Negative factors

  • Early stage exploration
  • Surface sample only
  • Cut-off undisclosed
  • Metallurgical recovery not demonstrated

Evidence · table

“16,9”

Context: ARA-SL-034

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

Penalty elements (arsenic, antimony, etc.) or refractory concerns noted in the release.

Why it applies: deleterious_flag is true

Fact 3Arapaima · rare earthGrade: 129Grade Unit: ppmView all details
Link to this fact

Identity

Project
Arapaima
Commodity
rare earth
Region
brazil
Reported Region
Minas Gerais, Brazil
Ticker
SPRK

Geometry

Grade
129
Grade Unit
ppm

Classification

Sample Type
surface

Location

Location
Boa Vista
Easting
237553
Northing
8109662
CRS
UTM zone 22S
EPSG
32722
Loc. Confidence
medium
Loc. Source
document

QA/QC

Laboratory
SGS Geosol Ltda
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
blanks, duplicates, standards

Deleterious

Deleterious Flag
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-24T00:00:00.000Z

Reasoning: Rare earth presence in a soil sample indicates potential mineralization at the new Boa Vista target.

Positive factors

  • Presence of critical mineral
  • New target identified

Negative factors

  • Early stage exploration
  • Surface sample only
  • Cut-off undisclosed

Evidence · table

“129”

Context: ARA-SL-034

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

Penalty elements (arsenic, antimony, etc.) or refractory concerns noted in the release.

Why it applies: deleterious_flag is true

Fact 4Arapaima · galliumGrade: 67.2Grade Unit: g/tView all details
Link to this fact

Identity

Project
Arapaima
Commodity
gallium
Region
brazil
Reported Region
Minas Gerais, Brazil
Ticker
SPRK

Geometry

Grade
67.2
Grade Unit
g/t

Classification

Sample Type
surface

Location

Location
Boa Vista
Easting
237924
Northing
8109718
CRS
UTM zone 22S
EPSG
32722
Loc. Confidence
medium
Loc. Source
document

QA/QC

Laboratory
SGS Geosol Ltda
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
blanks, duplicates, standards

Deleterious

Deleterious Flag
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-24T00:00:00.000Z

Reasoning: High-grade gallium in a soil sample indicates potential mineralization at the new Boa Vista target.

Positive factors

  • High grade
  • New target identified

Negative factors

  • Early stage exploration
  • Surface sample only
  • Cut-off undisclosed

Evidence · table

“67,2”

Context: ARA-SL-036

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

Penalty elements (arsenic, antimony, etc.) or refractory concerns noted in the release.

Why it applies: deleterious_flag is true

Fact 5Arapaima · scandiumGrade: 16.9Grade Unit: g/tView all details
Link to this fact

Identity

Project
Arapaima
Commodity
scandium
Region
brazil
Reported Region
Minas Gerais, Brazil
Ticker
SPRK

Geometry

Grade
16.9
Grade Unit
g/t

Classification

Sample Type
surface

Location

Location
Boa Vista
Easting
237924
Northing
8109718
CRS
UTM zone 22S
EPSG
32722
Loc. Confidence
medium
Loc. Source
document

QA/QC

Laboratory
SGS Geosol Ltda
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
blanks, duplicates, standards

Deleterious

Deleterious Flag
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-24T00:00:00.000Z

Reasoning: Scandium presence in a soil sample contributes to the critical minerals portfolio at Boa Vista, though metallurgical recovery is unproven.

Positive factors

  • Presence of critical mineral
  • New target identified

Negative factors

  • Early stage exploration
  • Surface sample only
  • Cut-off undisclosed
  • Metallurgical recovery not demonstrated

Evidence · table

“16,9”

Context: ARA-SL-036

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

Penalty elements (arsenic, antimony, etc.) or refractory concerns noted in the release.

Why it applies: deleterious_flag is true

How Atlas produces this analysis

Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.