3 new ERW datasets available up on the ERW Data Quarry

[Leah Bridle]

We are excited to share that there are three new datasets up on the Data Quarry that span 3 countries (India, Brazil and Germany) and deployment types (commercial and research).

This doubles the size of the Data Quarry to 6 available datasets. See more and submit a brief request to access data here.

• Mati: data collected from 635 smallholder rice paddy farmers in the summer (Kharif) 2024 deployment of Deccan traps basalt dust from Mati's Chhattisgarh, India location. Soil samples were collected at various time points from February 2024 to December 2025. This is the first commercial deployment data available out of India, and is large and highly distributed - making it well-suited for modeling work and statistical testing. 

• InPlanet: data collected from Project Araçari, an ERW deployment on ~360 ha of citrus plantation in São Paulo state, Brazil using locally sourced Serra Geral Basalt rock powder. Data collected from July 2024 - May 2025 provides soil, soil porewater, biomass, climatic, weather and feedstock data. 

• Carbon Drawdown Initiative: This dataset comes from a 1,200 ton field deployment in Germany in 2022 using Eifelgold basanite feedstock. The field samples consist of a control (and sometimes a pre-amendment sample), and an averaged sample of the amended field after ~3 years. The greenhouse experiments also consist of a control and amended sample for the same soils. Data is from August 2022 - November 2024. This dataset contains over two years of data, testing the same feedstock across a range of conditions (including field and greenhouse) allowing for analysis of how soil and weather mediates weathering. This CDI dataset is fully publicly posted on CDRXIV here: https://cdrxiv.org/preprint/487 (no request needed to access).

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Leah Bridle

Operations Manager, ERW
Cascade Climate | cascadeclimate.org

Accelerating climate solutions for a healthy, thriving ecosystem.