Eocene Epoch — Pacific Northwest Formation
62 MILLION
YEARS OF
FILTRATION,
extracted daily.
February 2026 production output
0dry metric tons
Scroll through strata
Diatomaceous Earth·SiO₂ ≥ 85%·Filtration Grade·Food-Grade Certified·62 Million Years·ISO 13320 Tested·Calcined & Natural Grades·48.7M Ton Reserve·Diatomaceous Earth·SiO₂ ≥ 85%·Filtration Grade·Food-Grade Certified·62 Million Years·ISO 13320 Tested·Calcined & Natural Grades·48.7M Ton Reserve·
Stratum 01 — Present Day
Today's Output
Last updated: 11:15 AM PST
DE-F10Beer / Wine Filtration
AvailableSiO₂91.2%
Moisture0.4%
Volume (t)212
DE-M25Municipal Water Treatment
AvailableSiO₂88.7%
Moisture0.6%
Volume (t)178
DE-C40Calcined Ceramic Filler
Low StockSiO₂94.1%
Moisture0.2%
Volume (t)134
DE-AGFood-Grade Agricultural
AvailableSiO₂85.3%
Moisture0.8%
Volume (t)203
DE-P08Semiconductor Polish
ReservedSiO₂95.8%
Moisture0.1%
Volume (t)88
DE-I15Kiln Insulation
Low StockSiO₂87.4%
Moisture0.5%
Volume (t)32
Particle Size DistributionComposite — all grades — May 2026
8%
22%
38%
24%
8%
<5μm
5–15μm
15–30μm
30–60μm
>60μm
Oxide CompositionXRF Analysis — Batch #FEB-2026-114
SiO₂ Purity
Spec: ≥88%91.2%
Fe₂O₃
Spec: ≤1.5%0.8%
Al₂O₃
Spec: ≤6%4.1%
CaO
Spec: ≤0.5%0.3%
✓ All parameters within specification
Stratum 02 — Extraction
Deposit Cross-Section
Borehole BH-44 — Cross SectionScale 1:200
0m
4m
11m
19m
28m
31m
Topsoil & Overburden
Transitional Clay
DE Horizon A — PrimaryDE Zone
DE Horizon B — SecondaryDE Zone
Volcanic Ash Interlayer
Basal DE Horizon C
Deposit Area
2,340hectares
Proven Reserve
48.7million tons
Overburden Ratio
0.8to 1
Avg. Seam Depth
14.2meters
Active Drill Sites
7cores active
Reserve Life
57+years
Core Box 44-C through 44-FDE Horizon A — 11.4m to 19.2m depth
11m
13m
15m
17m
19m
DE Horizon A (11 – 19m)
DE Horizon B (19 – 28m)
Basal DE Horizon C (31 – 38m)
Stratum 03 — Formation
62 Million Years,
layer by layer.
Stratigraphic Column — Paleolake Seam
0
5
12
34
56
62+ Mya
Modern OverburdenNon-DE
Late Miocene ClayClay
Miocene DE AccumulationDE Grade B
Eocene–Oligocene PeakDE Grade A ★
Early Eocene Lake FormationDE Grade C
Basement BasaltBedrock
SEM Imagery — 2,000× MagnificationCyclotella meneghiniana — dominant species, Grade A horizon
10μm
62MYears of depositionEocene to present
10–80μmDiatom frustule diameterSpecies Cyclotella & Melosira
~90%Silica by dry weightAmorphous SiO₂
1M+Frustules per gramGrade A horizon
Approximate — 56 Mya reconstruction
Particle Distribution Curves — All Grades
Full d10/d50/d90 particle size data for DE-F10, DE-M25, DE-C40, DE-AG, DE-P08, and DE-I15 grades. ISO 13320 laser diffraction method.
Stratum 04 — Full Analysis
The Complete Deposit Analysis.
78 pages. Six grades. One lakebed. Everything a procurement engineer needs to justify a supplier switch — grade consistency data, reserve life, processing methodology, and certification documentation.
Contents — 78 Pages
PDF
Full XRF Oxide Analysis
8 pp.Particle Size Distribution — All Grades
12 pp.Stratigraphic Core Log BH-44
24 pp.Reserve Estimation Report
18 pp.Food-Grade & SDS Certificates
6 pp.Processing & Calcination Data
10 pp.Updated February 2026. Includes XRF batch data from Q4 2025 and Q1 2026 production runs. Suitable for vendor qualification documentation.
Download Full Deposit Analysis
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NSF/ANSI 60Drinking Water
FDA 21 CFRFood Contact
ISO 13320Particle Analysis