Datapoint Palenquero/tː - geminate voiceless dental/alveolar plosive

Note that there is single and geminate /t/ vs. /t:/, as explained in Schwegler (1998: 265f). Thus:

Sp. mata > Pal. mata = [mata]
Sp. Marta > Pal. Matta = [matːa].

Values

Exists (as a major allophone)

Example 48-253:

Matta
Marta