Both upper and lower interfaces of layer 3 were easily found, as was lower interface of layer 1 and upper interface of layer 2, but none between layers 1 and 2, thus they were described as a one whole.
Bæði efri og neðri lagmót lags 3 fundust auðveldlega, sem og neðri lagmót lags 1 og efri lagmót lags 2 en engin fundust þar á milli og þeim var þá lýst sem einni heild.