the "material" column of the Strucke data contains information about the material dated, such as "trakol", or "ben".

Sometimes there is additional information in the cell which would fall under tbl_abundance_modifications, such as “branda”, or “Förkolnat”, this information was extracted in theEntity superabundance

  • figure out why the preview shows only two items

YAML as of 2026-09-18

name: dating_material
type: entity
system_id: system_id
keys: []
columns:
  - species
  - material
  - unique_row_identifier
  - element_name
public_id: dating_material_id
source: superabundance
foreign_keys:
  - entity: abundance_element
    local_keys:
      - element_name
    remote_keys:
      - element_name
    how: left
    constraints:
      cardinality: many_to_one
      allow_unmatched_right: true
      require_unique_left: false
      require_unique_right: false
      allow_row_decrease: true
      allow_unmatched_left: false
  - entity: geochronology
    local_keys:
      - unique_row_identifier
    remote_keys:
      - unique_row_identifier
    how: inner
    constraints:
      cardinality: one_to_one
      allow_unmatched_right: true
      require_unique_left: false
      require_unique_right: false
      allow_row_decrease: true
      allow_unmatched_left: false
drop_duplicates: true
check_functional_dependency: false
drop_empty_rows: true
filters:
  - type: query
    query: species=="amulettring"
```