Document


Title

A search for soot from global wildfires in central pacific Cretaceous-Tertiary boundary and other extinction and impact horizon sediments
Document Type: Journal Article
Author(s): W. S. Wolbach; S. Widicus; F. T. Kyte
Publication Year: 2003

Cataloging Information

Keyword(s):
  • air quality
  • carbon
  • Cretaceous-Tertiary boundary
  • extinctions
  • fire management
  • Impact
  • pacific ocean
  • paleoecology
  • particulates
  • smoke management
  • soot
  • soot
  • wildfires
Region(s):
  • International
Record Maintained By:
Record Last Modified: June 1, 2018
FRAMES Record Number: 50329
Tall Timbers Record Number: 26916
TTRS Location Status: Not in file
TTRS Call Number: Not in File
TTRS Abstract Status: Okay, Fair use, Reproduced by permission

This bibliographic record was either created or modified by the Tall Timbers Research Station and Land Conservancy and is provided without charge to promote research and education in Fire Ecology. The E.V. Komarek Fire Ecology Database is the intellectual property of the Tall Timbers Research Station and Land Conservancy.

Description

Hypotheses of global wildfires following the Cretaceous-Tertiary (KT) boundary impact are supported by high concentrations of elemental carbon (3.6 mg cm-2) and soot (1.8 mg cm-2) in DSDP Site 465, which was located several thousand kilometers from potential continental sources at 65 Ma. Soot is not preserved at four other central Pacific KT localities, but this is attributed to loss during oxic diagenesis. We find no evidence for wildfires related to major impacts in the late Eocene or to Ir anomalies and extinctions in the late Cenomanian.

Citation:
Wolbach, W. S., S. Widicus, and F. T. Kyte. 2003. A search for soot from global wildfires in central pacific Cretaceous-Tertiary boundary and other extinction and impact horizon sediments. Astrobiology, v. 3, no. 1, p. 91-97. 10.1089/153110703321632444.